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Assignee profile:

Purem GmbH

City:

Neunkirchen

Country:

Germany

Published Applications:

108

Last publication date:

2025-02-27

Patent Grants:

108

Last grant date:

2026-02-24

Top Inventors for applications by Purem GmbH

These are the the leading inventors for applications assigned to Purem GmbH:

Recent patent applications by Purem GmbH

Purem GmbH based in Neunkirchen, DE has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2025-02-27 ✅ Patent 12,560,261 granted on 2026-02-24
US20250067374A1
Mechanical engineering

CONNECTING FLANGE FOR CONNECTING TWO TUBULAR COMPONENTS TO EACH OTHER

 #2 | 2024-12-26 ✅ Patent 12,492,657 granted on 2025-12-09
US20240426233A1
Mechanical engineering

EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

 #3 | 2024-10-24 ✅ Patent 12,392,271 granted on 2025-08-19
US20240352883A1
Mechanical engineering

MODULARLY CONSTRUCTED EXHAUST GAS TREATMENT ARRANGEMENT

 #4 | 2024-08-22 ✅ Patent 12,404,791 granted on 2025-09-02
US20240280039A1
Mechanical engineering

HEATING CONDUCTOR FOR AN EXHAUST GAS HEATER

 #5 | 2024-06-06 ✅ Patent 12,404,796 granted on 2025-09-02
US20240183305A1
Mechanical engineering

EXHAUST-GAS TREATMENT ARRANGEMENT

 #6 | 2024-06-06 ✅ Patent 12,241,396 granted on 2025-03-04
US20240183299A1
Mechanical engineering

Exhaust-gas treatment arrangement

 #7 | 2024-06-06 ✅ Patent 12,345,190 granted on 2025-07-01
US20240183298A1
Mechanical engineering

SUPPORT UNIT FOR SUPPORTING A HEATING CONDUCTOR OF AN EXHAUST GAS HEATER ON A CARRIER STRUCTURE

 #8 | 2024-03-28 ✅ Patent 12,454,901 granted on 2025-10-28
US20240102407A1
Mechanical engineering

SOUND DAMPER

 #9 | 2024-03-07 ✅ Patent 12,469,863 granted on 2025-11-11
US20240079614A1
Electricity

CONTROL FLAP ASSEMBLY FOR A GAS FLOW IN A FUEL CELL SYSTEM

 #10 | 2024-02-29 ✅ Patent 12,345,194 granted on 2025-07-01
US20240068390A1
Mechanical engineering

Mixing Arrangement for an Exhaust-Gas System of an Internal Combustion Engine

 #11 | 2024-02-15 ✅ Patent 12,313,165 granted on 2025-05-27
US20240052929A1
Mechanical engineering

Butterfly valve assembly, in particular for a gas flow in a fuel cell system

 #12 | 2024-02-15 ✅ Patent 12,215,614 granted on 2025-02-04
US20240052765A1
Mechanical engineering

Exhaust gas system for a hydrogen combustion engine

 #13 | 2024-02-01 ✅ Patent 12,442,325 granted on 2025-10-14
US20240035409A1
Mechanical engineering

Exhaust Gas Routing Component for an Exhaust Gas System of an Internal Combustion Engine

 #14 | 2024-01-04 ✅ Patent 12,180,875 granted on 2024-12-31
US20240003282A1
Mechanical engineering

Gas introduction assembly for introducing gas, in particular air, into an exhaust gas system of an internal combustion engine

 #15 | 2023-12-14 ✅ Patent 12,467,392 granted on 2025-11-11
US20230399963A1
Mechanical engineering

Muffler

 #16 | 2023-12-07 ✅ Patent 12,116,917 granted on 2024-10-15
US20230392530A1
Mechanical engineering

Connection unit

 #17 | 2023-09-28 ✅ Patent 11,913,368 granted on 2024-02-27
US20230304431A1
Mechanical engineering

Exhaust gas treatment arrangement

 #18 | 2023-09-14 ✅ Patent 12,312,987 granted on 2025-05-27
US20230287820A1
Mechanical engineering

Exhaust gas treatment arrangement

 #19 | 2023-08-10 ✅ Patent 11,898,484 granted on 2024-02-13
US20230250746A1
Mechanical engineering

Mixing subassembly for an exhaust gas system of an internal combustion engine

 #20 | 2023-08-03 ✅ Patent 12,376,194 granted on 2025-07-29
US20230247726A1
Electricity

Exhaust gas heater

 #21 | 2023-06-15 ✅ Patent 12,228,227 granted on 2025-02-18
US20230184357A1
Mechanical engineering

Connection element for an exhaust system of an internal combustion engine

 #22 | 2023-06-15 ✅ Patent 11,739,672 granted on 2023-08-29
US20230184150A1
Mechanical engineering

Exhaust gas heater

 #23 | 2023-05-25 ✅ Patent 12,372,017 granted on 2025-07-29
US20230160327A1
Mechanical engineering

EXHAUST GAS TREATMENT ASSEMBLY

 #24 | 2023-05-04 ✅ Patent 12,069,777 granted on 2024-08-20
US20230137839A1
Electricity

Terminal pin

 #25 | 2023-05-04 ✅ Patent 11,781,459 granted on 2023-10-10
US20230136357A1
Mechanical engineering

Heating unit for an exhaust-gas system of an internal combustion engine

 #26 | 2023-04-20 ✅ Patent 12,496,669 granted on 2025-12-16
US20230122140A1
Performing operations; transporting

INTERCHANGEABLE CARRIER SYSTEM

 #27 | 2023-04-13 ✅ Patent 12,180,874 granted on 2024-12-31
US20230113789A1
Mechanical engineering

Mixer

 #28 | 2023-04-06 ✅ Patent 11,834,980 granted on 2023-12-05
US20230103952A1
Mechanical engineering

Exhaust-gas guiding housing

 #29 | 2023-03-09 ✅ Patent 12,352,192 granted on 2025-07-08
US20230074062A1
Mechanical engineering

WELDING COMPONENT, AND METHOD FOR WELDING THE WELDING COMPONENT TO A COMPONENT

 #30 | 2023-03-02 ✅ Patent 11,846,219 granted on 2023-12-19
US20230067903A1
Mechanical engineering

Exhaust gas heater

 #31 | 2023-03-02 ✅ Patent 11,873,747 granted on 2024-01-16
US20230067544A1
Mechanical engineering

Exhaust gas heater

 #32 | 2023-03-02 ✅ Patent 11,879,372 granted on 2024-01-23
US20230067074A1
Mechanical engineering

Connection unit

 #33 | 2023-03-02 ✅ Patent 11,719,145 granted on 2023-08-08
US20230063358A1
Mechanical engineering

Exhaust gas heater system

 #34 | 2023-03-02 ✅ Patent 11,838,995 granted on 2023-12-05
US20230061713A1
Mechanical engineering

Exhaust gas heater and method for making the same

 #35 | 2023-03-02 ✅ Patent 12,486,791 granted on 2025-12-02
US20230060154A1
Mechanical engineering

EXHAUST-GAS HEATER

 #36 | 2023-02-23 ✅ Patent 12,025,045 granted on 2024-07-02
US20230057647A1
Mechanical engineering

Exhaust gas system for an internal combustion engine

 #37 | 2023-01-26 ✅ Patent 12,091,998 granted on 2024-09-17
US20230024144A1
Mechanical engineering

Muffler

 #38 | 2023-01-05 ✅ Patent 12,104,512 granted on 2024-10-01
US20230003162A1
Mechanical engineering

Muffler and method for making the same

 #39 | 2022-12-29 ✅ Patent 12,074,416 granted on 2024-08-27
US20220416529A1
Electricity

Connecting arrangement

 #40 | 2022-12-22 ✅ Patent 12,060,818 granted on 2024-08-13
US20220403765A1
Mechanical engineering

Muffler and method for making a muffler

 #41 | 2022-12-15 ✅ Patent 11,840,948 granted on 2023-12-12
US20220397050A1
Mechanical engineering

Silencer for an exhaust system of an internal combustion engine

 #42 | 2022-12-08 ✅ Patent 12,492,653 granted on 2025-12-09
US20220389848A1
Mechanical engineering

MUFFLER AND METHOD FOR MAKING A MUFFLER

 #43 | 2022-12-01 ✅ Patent 12,520,384 granted on 2026-01-06
US20220386419A1
Electricity

EXHAUST-GAS HEATER

 #44 | 2022-11-10 ✅ Patent 11,680,508 granted on 2023-06-20
US20220356832A1
Mechanical engineering

Exhaust-gas treatment module

 #45 | 2022-10-20 ✅ Patent 11,702,974 granted on 2023-07-18
US20220333521A1
Mechanical engineering

Exhaust gas/reactant mixing device

 #46 | 2022-10-20 ✅ Patent 11,879,371 granted on 2024-01-23
US20220333517A1
Mechanical engineering

Heating conductor for an exhaust gas heating arrangement

 #47 | 2022-09-29 ✅ Patent 11,702,972 granted on 2023-07-18
US20220307403A1
Mechanical engineering

Exhaust gas/reactant mixing assembly

 #48 | 2022-09-15 ✅ Patent 11,585,256 granted on 2023-02-21
US20220290601A1
Mechanical engineering

Exhaust gas/reactant mixing arrangement

 #49 | 2022-09-15 ✅ Patent 11,591,945 granted on 2023-02-28
US20220290598A1
Mechanical engineering

Exhaust gas treatment arrangement for an exhaust gas system of an internal combustion engine

 #50 | 2022-09-15 ✅ Patent 11,852,064 granted on 2023-12-26
US20220290595A1
Mechanical engineering

Exhaust gas heater

 #51 | 2022-08-25 ✅ Patent 11,891,936 granted on 2024-02-06
US20220268194A1
Mechanical engineering

Exhaust gas treatment arrangement for an exhaust gas system of an internal combustion engine

 #52 | 2022-08-18 ✅ Patent 11,781,460 granted on 2023-10-10
US20220260000A1
Mechanical engineering

Support assembly

 #53 | 2022-08-11 ✅ Patent 11,828,217 granted on 2023-11-28
US20220251994A1
Mechanical engineering

Exhaust gas treatment assembly for an exhaust gas system of an internal combustion engine

 #54 | 2022-08-04 ✅ Patent 11,795,860 granted on 2023-10-24
US20220243639A1
Mechanical engineering

Exhaust gas treatment assembly for an exhaust gas system of an internal combustion engine

 #55 | 2022-07-21 ✅ Patent 11,572,842 granted on 2023-02-07
US20220228534A1
Mechanical engineering

Coupling arrangement

 #56 | 2022-07-21 ✅ Patent 11,603,803 granted on 2023-03-14
US20220228533A1
Mechanical engineering

Coupling arrangement

 #57 | 2022-06-09 ✅ Patent 12,049,839 granted on 2024-07-30
US20220178290A1
Mechanical engineering

Exhaust gas heating unit

 #58 | 2022-05-19 ✅ Patent 11,566,549 granted on 2023-01-31
US20220154618A1
Mechanical engineering

Exhaust gas heating assembly

 #59 | 2022-03-10 ✅ Patent 11,578,632 granted on 2023-02-14
US20220074333A1
Mechanical engineering

Exhaust gas heater

 #60 | 2022-02-17 ✅ Patent 11,572,817 granted on 2023-02-07
US20220049638A1
Mechanical engineering

Exhaust gas heating arrangement

 #61 | 2022-01-13 ✅ Patent 11,466,629 granted on 2022-10-11
US20220010739A1
Mechanical engineering

Exhaust-gas flap device

 #62 | 2022-01-13 ✅ Patent 11,578,671 granted on 2023-02-14
US20220010738A1
Mechanical engineering

Exhaust-gas flap device

 #63 | 2021-11-11 ✅ Patent 11,519,312 granted on 2022-12-06
US20210348535A1
Mechanical engineering

Exhaust gas heater for an exhaust gas system of a combustion engine

 #64 | 2021-11-04 ✅ Patent 12,312,986 granted on 2025-05-27
US20210340894A1
Mechanical engineering

Electrical supply line connection unit suitable for harsh high heat environmental conditions

 #65 | 2021-10-28 ✅ Patent 11,492,942 granted on 2022-11-08
US20210332730A1
Mechanical engineering

Exhaust gas heater

 #66 | 2021-10-28 ✅ Patent 11,486,286 granted on 2022-11-01
US20210332728A1
Mechanical engineering

Connection unit for an exhaust gas heater

 #67 | 2021-10-14 ✅ Patent 11,725,554 granted on 2023-08-15
US20210317763A1
Mechanical engineering

Insert assembly unit for a muffler of an exhaust system of an internal combustion engine

 #68 | 2021-10-07 ✅ Patent 11,852,060 granted on 2023-12-26
US20210309166A1
Performing operations; transporting

Sheathing arrangement and process for manufacturing a sheathing arrangement for an exhaust system of an internal combustion engine

 #69 | 2021-10-07 ✅ Patent 11,484,847 granted on 2022-11-01
US20210308635A1
Performing operations; transporting

Mixer assembly unit

 #70 | 2021-09-16 ✅ Patent 11,434,801 granted on 2022-09-06
US20210285351A1
Mechanical engineering

Exhaust gas treatment system for an exhaust system of an internal combustion engine and process for operating such an exhaust gas treatment system

 #71 | 2021-07-22 ✅ Patent 11,384,671 granted on 2022-07-12
US20210222605A1
Mechanical engineering

Gas/gas mixer for introducing gas into the exhaust gas stream of an internal combustion engine

 #72 | 2021-07-15 ✅ Patent 11,268,432 granted on 2022-03-08
US20210215087A1
Mechanical engineering

Exhaust system

 #73 | 2021-05-27 ✅ Patent 11,725,568 granted on 2023-08-15
US20210156293A1
Mechanical engineering

Connection unit

 #74 | 2021-05-27 ✅ Patent 11,486,285 granted on 2022-11-01
US20210156289A1
Mechanical engineering

Exhaust gas heater

 #75 | 2021-05-27 ✅ Patent 11,795,847 granted on 2023-10-24
US20210156287A1
Mechanical engineering

Exhaust muffler

 #76 | 2021-05-06 ✅ Patent 11,566,557 granted on 2023-01-31
US20210131328A1
Mechanical engineering

Exhaust system for an internal combustion engine and process for manufacturing an exhaust system

 #77 | 2021-04-22 ✅ Patent 11,441,470 granted on 2022-09-13
US20210115829A1
Mechanical engineering

Mixer device

 #78 | 2021-04-22 ✅ Patent 11,441,461 granted on 2022-09-13
US20210115826A1
Mechanical engineering

Mixer device

 #79 | 2021-04-22 ✅ Patent 11,311,845 granted on 2022-04-26
US20210113973A1
Performing operations; transporting

Mixer

 #80 | 2021-02-11 ✅ Patent 11,536,179 granted on 2022-12-27
US20210040874A1
Mechanical engineering

Exhaust gas treatment assembly unit

 #81 | 2020-12-31 ✅ Patent 11,208,935 granted on 2021-12-28
US20200408131A1
Mechanical engineering

Mixer

 #82 | 2020-12-17 ✅ Patent 11,702,968 granted on 2023-07-18
US20200392879A1
Mechanical engineering

Component for an exhaust system of an internal combustion engine

 #83 | 2020-11-05 ✅ Patent 11,643,953 granted on 2023-05-09
US20200347761A1
Mechanical engineering

Exhaust muffler for an exhaust system of an internal combustion engine

 #84 | 2020-10-29 ✅ Patent 11,168,604 granted on 2021-11-09
US20200340384A1
Mechanical engineering

Housing, especially for an exhaust system of an internal combustion engine of a vehicle

 #85 | 2020-09-10 ✅ Patent 11,890,733 granted on 2024-02-06
US20200282522A1
Performing operations; transporting

Compression jaw assembly unit

 #86 | 2020-08-27 ✅ Patent 11,467,063 granted on 2022-10-11
US20200271546A1
Physics

Probe carrier arrangement

 #87 | 2020-08-13 ✅ Patent 11,408,529 granted on 2022-08-09
US20200256477A1
Mechanical engineering

Exhaust flap

 #88 | 2020-07-30 ✅ Patent 11,698,012 granted on 2023-07-11
US20200240305A1
Mechanical engineering

Exhaust gas heating element

 #89 | 2020-07-09 ✅ Patent 11,156,142 granted on 2021-10-26
US20200217232A1
Mechanical engineering

Exhaust system

 #90 | 2020-05-28 ✅ Patent 11,162,406 granted on 2021-11-02
US20200165955A1
Mechanical engineering

Process for manufacturing an exhaust system

 #91 | 2020-05-14 ✅ Patent 12,097,752 granted on 2024-09-24
US20200148036A1
Performing operations; transporting

Heating system for a vehicle and process for heating a vehicle

 #92 | 2020-04-30 ✅ Patent 11,274,593 granted on 2022-03-15
US20200131975A1
Mechanical engineering

Process for manufacturing an exhaust gas treatment device

 #93 | 2020-04-02 ✅ Patent 11,542,851 granted on 2023-01-03
US20200102878A1
Mechanical engineering

Exhaust system

 #94 | 2020-03-26 ✅ Patent 11,333,084 granted on 2022-05-17
US20200095946A1
Mechanical engineering

Exhaust gas flap

 #95 | 2020-02-13 ✅ Patent 11,161,080 granted on 2021-11-02
US20200047136A1
Performing operations; transporting

Mixer for an exhaust system comprising two oppositely bent areas

 #96 | 2020-01-02 ✅ Patent 11,384,665 granted on 2022-07-12
US20200003093A1
Mechanical engineering

Muffler

 #97 | 2019-12-26 ✅ Patent 11,278,850 granted on 2022-03-22
US20190388848A1
Performing operations; transporting

Mixer

 #98 | 2019-10-03 ✅ Patent 11,193,414 granted on 2021-12-07
US20190301347A1
Mechanical engineering

Exhaust system and mixer assembly unit for an exhaust system

 #99 | 2019-10-03 ✅ Patent 11,365,668 granted on 2022-06-21
US20190301344A1
Mechanical engineering

Mixer assembly unit

 #100 | 2019-09-26 ✅ Patent 11,208,940 granted on 2021-12-28
US20190292972A1
Mechanical engineering

Process for manufacturing a muffler

Also check out Purem Gmbh's (Neunkirchen, Germany) applicant profile with 109 patent applications submitted.

AssigneeID:

350818 ⎘