CARL FREUDENBERG KG

CLEANING AND DISINFECTING MOP ROLL REFILL

#2 | 2026-04-23

US20260108126A1

CLEANING DEVICE FOR CONTROLLED ENVIRONMENTS

#3 | 2026-04-23

US20260108125A1

CLEANING AND DISINFECTING MODULE FOR ROBOTIC CLEANER

#4 | 2025-07-03 ✅ Patent 12,649,442 granted on 2026-06-09

US20250214543A1

MODULAR WHEEL CLEANING SYSTEM

#5 | 2025-05-08 ✅ Patent 12,655,907 granted on 2026-06-16

US20250146577A1

SEALING ARRANGEMENT WITH GROUNDING ELEMENT

#6 | 2025-04-24 ✅ Patent 12,274,407 granted on 2025-04-15

US20250127370A1

FRAME SYSTEM AND CLEANING DEVICE FRAME

#7 | 2025-01-30 ✅ Patent 12,539,483 granted on 2026-02-03

US20250032969A1

AIR FILTER WITH INTEGRATED PRESSURE SENSOR

#8 | 2024-10-24 ✅ Patent 12,502,813 granted on 2025-12-23

US20240351246A1

ROLLING ASSEMBLY

#9 | 2024-08-15 ✅ Patent 12,303,088 granted on 2025-05-20

US20240268623A1

Release lever for cleaning device

#10 | 2024-08-15 ✅ Patent 12,408,808 granted on 2025-09-09

US20240268622A1

SLIDE RELEASE MECHANISM FOR CLEANING DEVICE

#11 | 2024-04-11 ✅ Patent 12,534,612 granted on 2026-01-27

US20240117175A1

Chemistry; metallurgy

CURABLE FLUOROELASTOMERS HAVING LOW SWELLING TENDENCY

#12 | 2024-04-11 ✅ Patent 12,565,025 granted on 2026-03-03

US20240116269A1

NONWOVEN LAMINATE

#13 | 2024-04-11 ✅ Patent 12,251,063 granted on 2025-03-18

US20240115105A1

Cleaning element

#14 | 2024-02-01 ✅ Patent 12,089,352 granted on 2024-09-10

US20240040716A1

Pressure equalising device and housing comprising the pressure equalising device

#15 | 2024-01-18 ✅ Patent 12,473,674 granted on 2025-11-18

US20240018706A1

BITUMINOUS MEMBRANES WITH BIODEGRADABLE BINDER

#16 | 2024-01-18 ✅ Patent 12,539,481 granted on 2026-02-03

US20240017198A1

FILTER HAVING MEDIA PACKS ARRANGED IN A V-SHAPE AND PROTECTIVE GRID

#17 | 2024-01-18 ✅ Patent 12,649,120 granted on 2026-06-09

US20240017197A1

FILTER HAVING FILTER MEDIA SETS WHICH ARE ARRANGED IN A V-SHAPED MANNER AND A FRAME

#18 | 2024-01-11 ✅ Patent 12,567,591 granted on 2026-03-03

US20240014406A1

GAS DIFFUSION LAYER FOR FUEL CELLS, HAVING IMPROVED BENDING PROPERTIES

#19 | 2023-11-30 ✅ Patent 12,618,450 granted on 2026-05-05

US20230383812A1

A DIRT INGRESS SEAL

#20 | 2023-11-02 ✅ Patent 12,103,156 granted on 2024-10-01

US20230347496A1

Rotating top grip

#21 | 2023-10-26 ✅ Patent 12,653,370 granted on 2026-06-16

US20230337889A1

COMBINED CLEANING AND WRINGING SYSTEM FOR A MOPPING DEVICE

#22 | 2023-10-12 ✅ Patent 12,507,856 granted on 2025-12-30

US20230320556A1

CLEANING DEVICE

#23 | 2023-05-04 ✅ Patent 12,303,084 granted on 2025-05-20

US20230135446A1

Cleaning device for wet cleaning

#24 | 2023-04-20 ✅ Patent 12,622,556 granted on 2026-05-12

US20230123200A1

METHOD FOR IDENTIFYING THE SUBSTRATE

#25 | 2023-04-13 ✅ Patent 11,776,707 granted on 2023-10-03

US20230116174A1

Electrically conductive paste

#26 | 2023-04-06

US20230104177A1

CLEANING ARTICLE

#27 | 2023-03-09 ✅ Patent 11,885,416 granted on 2024-01-30

US20230076622A1

Dynamic shaft seal

#28 | 2023-03-02 ✅ Patent 12,478,907 granted on 2025-11-25

US20230064304A1

FILTER MODULE FOR THE SEPARATION OF OVERSPRAY

#29 | 2023-01-31 ✅ Patent 11,564,549 granted on 2023-01-31

US17478700

Multidirectional dusting tool

#30 | 2022-12-29 ✅ Patent 11,792,966 granted on 2023-10-17

US20220418173A1

Flexible laminate for shielding electromagnetic radiation

#31 | 2022-12-29 ✅ Patent 12,288,857 granted on 2025-04-29

US20220416326A1

Energy storage system

#32 | 2022-12-29 ✅ Patent 11,690,493 granted on 2023-07-04

US20220409001A1

Cleaning robot and cleaning system

#33 | 2022-12-08 ✅ Patent 12,315,940 granted on 2025-05-27

US20220393184A1

Gas diffusion layer for fuel cells

#34 | 2022-12-01 ✅ Patent 12,580,459 granted on 2026-03-17

US20220385148A1

ELECTRICALLY CONDUCTIVE NONWOVEN, GROUNDING RING, COMPRISING SUCH A NONWOVEN AND ARRANGEMENT THEREWITH

#35 | 2022-12-01 ✅ Patent 12,334,669 granted on 2025-06-17

US20220384986A1

ARRANGEMENT FOR PRODUCING AN ELECTRICALLY CONDUCTIVE CONNECTION BETWEEN A FIRST MACHINE ELEMENT AND A SECOND MACHINE ELEMENT

#36 | 2022-11-17 ✅ Patent 12,334,527 granted on 2025-06-17

US20220367935A1

USE OF A COMPOSITE MATERIAL FOR ABSORBING AND DISTRIBUTING LIQUIDS IN ACTIVELY AND/OR PASSIVELY COOLED CURRENT-CARRYING SYSTEMS

#37 | 2022-11-03 ✅ Patent 12,369,707 granted on 2025-07-29

US20220346540A1

Beveled Broom and Step-On Dustpan Cleaning System

#38 | 2022-10-11 ✅ Patent 11,465,596 granted on 2022-10-11

US17373242

Wheel cleaning apparatus and method

#39 | 2022-09-22 ✅ Patent 12,247,661 granted on 2025-03-11

US20220299112A1

Flat gasket

#40 | 2022-09-01 ✅ Patent 12,142,905 granted on 2024-11-12

US20220278518A1

Busbar and arrangement comprising such a busbar

#41 | 2022-08-04 ✅ Patent 12,107,463 granted on 2024-10-01

US20220247284A1

Grounding ring and arrangement comprising such a grounding ring

#42 | 2022-08-04 ✅ Patent 12,072,118 granted on 2024-08-27

US20220243946A1

Method and device for operating a ventilation system for air in an indoor space

#43 | 2022-07-07 ✅ Patent 11,832,775 granted on 2023-12-05

US20220211242A1

Rinse bucket for floor mop

#44 | 2022-06-30 ✅ Patent 12,275,224 granted on 2025-04-15

US20220203650A1

Wound cleaning product

#45 | 2022-06-23 ✅ Patent 12,466,126 granted on 2025-11-11

US20220193984A1

ADDITIVE MANUFACTURING METHOD FOR PRODUCING A MOLDED ARTICLE FROM ELASTOMER

#46 | 2022-06-09 ✅ Patent 11,976,395 granted on 2024-05-07

US20220178058A1

Embossed non-woven for vehicle interior

#47 | 2022-06-09 ✅ Patent 12,083,467 granted on 2024-09-10

US20220176296A1

Foldable filter arrangement consisting of a plurality of individual filter elements

#48 | 2022-05-26 ✅ Patent 11,796,061 granted on 2023-10-24

US20220163116A1

Sealing ring and use thereof

#49 | 2022-05-26 ✅ Patent 12,004,692 granted on 2024-06-11

US20220160189A1

Sheet product dispenser and packaging unit therefor

#50 | 2022-03-03 ✅ Patent 11,745,124 granted on 2023-09-05

US20220062800A1

Cassette filter having a filter element with special folding

#51 | 2022-02-24 ✅ Patent 12,055,247 granted on 2024-08-06

US20220057031A1

Sealing arrangement, sealing sleeve and use thereof

#52 | 2022-02-24 ✅ Patent 11,703,127 granted on 2023-07-18

US20220056999A1

Seal assembly and method for monitoring a seal assembly

#53 | 2022-02-24 ✅ Patent 12,351,667 granted on 2025-07-08

US20220056186A1

Chemistry; metallurgy

SEPARATOR FOR ELECTROCHEMICAL ENERGY ACCUMULATORS AND CONVERTERS

#54 | 2022-02-03 ✅ Patent 12,388,130 granted on 2025-08-12

US20220037712A1

ELECTROCHEMICAL ENERGY STORAGE CELL

#55 | 2022-01-27 ✅ Patent 11,857,947 granted on 2024-01-02

US20220023833A1

Use of an absorber material for absorbing and / or distributing liquids in an actively and / or passively cooled current-carrying system

#56 | 2021-12-23 ✅ Patent 12,030,990 granted on 2024-07-09

US20210395453A1

Chemistry; metallurgy

Polyketone compound

#57 | 2021-09-30 ✅ Patent 11,453,202 granted on 2022-09-27

US20210299998A1

Thermoformable decorative material

#58 | 2021-09-23 ✅ Patent 11,425,990 granted on 2022-08-30

US20210289933A1

Beveled broom and step-on dustpan cleaning system

#59 | 2021-09-16 ✅ Patent 11,497,151 granted on 2022-11-08

US20210289674A1

Sealing arrangement and use thereof

#60 | 2021-09-16 ✅ Patent 11,357,382 granted on 2022-06-14

US20210282619A1

Bucket and cleaning system which comprises such a bucket

#61 | 2021-09-02 ✅ Patent 11,629,784 granted on 2023-04-18

US20210270372A1

Sealing ring and use thereof

#62 | 2021-08-12 ✅ Patent 11,865,482 granted on 2024-01-09

US20210245083A1

Filter module comprising sensor and method for determining the state of a filter element

#63 | 2021-07-08 ✅ Patent 11,918,163 granted on 2024-03-05

US20210204790A1

Cleaning system

#64 | 2021-07-01 ✅ Patent 12,195,912 granted on 2025-01-14

US20210198842A1

Thermally fusible sheet body

#65 | 2021-06-24 ✅ Patent 11,668,032 granted on 2023-06-06

US20210189619A1

Nonwoven with an embossed mesh pattern

#66 | 2021-06-03 ✅ Patent 11,684,884 granted on 2023-06-27

US20210162331A1

Filter element having a conductive edge band and filter assembly having such a filter element

#67 | 2021-05-20 ✅ Patent 11,371,614 granted on 2022-06-28

US20210148466A1

Plasma-coated sealing element

#68 | 2021-02-04 ✅ Patent 11,297,996 granted on 2022-04-12

US20210030252A1

Floor mop

#69 | 2021-02-04 ✅ Patent 11,147,428 granted on 2021-10-19

US20210030251A1

Floor mop

#70 | 2021-01-28 ✅ Patent 12,005,692 granted on 2024-06-11

US20210023815A1

Nonwoven laminate

#71 | 2020-11-26 ✅ Patent 11,168,792 granted on 2021-11-09

US20200370655A1

Seal arrangement

#72 | 2020-11-26 ✅ Patent 11,255,438 granted on 2022-02-22

US20200370653A1

Seal arrangement

#73 | 2020-11-19 ✅ Patent 11,330,945 granted on 2022-05-17

US20200359863A1

Cleaning device

#74 | 2020-10-29 ✅ Patent 11,374,279 granted on 2022-06-28

US20200343495A1

Energy storage system

#75 | 2020-10-22 ✅ Patent 11,415,222 granted on 2022-08-16

US20200332829A1

Sealing bellows

#76 | 2020-10-08 ✅ Patent 10,918,257 granted on 2021-02-16

US20200315422A1

Sponge mop

#77 | 2020-10-01 ✅ Patent 11,583,160 granted on 2023-02-21

US20200305676A1

Cleaning cart and frame therefor

#78 | 2020-10-01 ✅ Patent 11,602,254 granted on 2023-03-14

US20200305673A1

Cleaning device

#79 | 2020-09-03 ✅ Patent 11,078,963 granted on 2021-08-03

US20200277992A1

Bearing bush

#80 | 2020-07-16 ✅ Patent 11,897,208 granted on 2024-02-13

US20200223152A1

Composite material with adhesion promoter layer based on Si, C and O

#81 | 2020-07-16 ✅ Patent 11,235,271 granted on 2022-02-01

US20200222844A1

Filter cartridge with venturi nozzle

#82 | 2020-07-02 ✅ Patent 11,304,586 granted on 2022-04-19

US20200205638A1

Cleaning system

#83 | 2020-06-11 ✅ Patent 11,262,264 granted on 2022-03-01

US20200182726A1

Physics

Sensor element with integral supporting and sensor body

#84 | 2020-06-11 ✅ Patent 11,262,261 granted on 2022-03-01

US20200182722A1

Physics

Sensor element with fastening segment

#85 | 2020-05-07 ✅ Patent 11,898,274 granted on 2024-02-13

US20200141031A1

Hydrogel-forming multicomponent fiber

#86 | 2020-04-16 ✅ Patent 12,098,482 granted on 2024-09-24

US20200115826A1

Textile flat structure for electrical insulation

#87 | 2020-04-02 ✅ Patent 11,073,210 granted on 2021-07-27

US20200103029A1

Sealing element

#88 | 2020-04-02 ✅ Patent 11,560,949 granted on 2023-01-24

US20200103028A1

Sealing element

#89 | 2020-03-19 ✅ Patent 11,536,312 granted on 2022-12-27

US20200088231A1

Sealing bellows and sealing arrangement comprising the sealing bellows

#90 | 2020-03-05 ✅ Patent 11,656,588 granted on 2023-05-23

US20200073348A1

Physics

Design, control and operation of filters for turbomachines

#91 | 2020-02-20 ✅ Patent 12,211,981 granted on 2025-01-28

US20200058966A1

Energy storage system

#92 | 2020-01-30 ✅ Patent 11,746,905 granted on 2023-09-05

US20200032905A1

Filter arrangement with a gel seal and use of such a filter arrangement as an interior air filter

#93 | 2020-01-30 ✅ Patent 11,071,936 granted on 2021-07-27

US20200030733A1

Filter with perforated separator plates

#94 | 2019-11-14 ✅ Patent 12,157,506 granted on 2024-12-03

US20190344811A1

Wheel axle guiding assembly with longitudinal hydro-mechanical converters and associated running gear

#95 | 2019-09-19 ✅ Patent 11,236,829 granted on 2022-02-01

US20190285180A1

Sealing ring

#96 | 2019-09-12 ✅ Patent 11,002,363 granted on 2021-05-11

US20190277404A1

Seal

#97 | 2019-09-12 ✅ Patent 11,718,373 granted on 2023-08-08

US20190276119A1

Ballast seal

#98 | 2019-09-05 ✅ Patent 10,786,135 granted on 2020-09-29

US20190269293A1

Mop head and mop

#99 | 2019-07-18 ✅ Patent 11,015,713 granted on 2021-05-25

US20190219172A1