Assignee profile:

Welltec A/S

City:

Allerød

Country:

Denmark

Published Applications:

154

Last publication date:

2026-04-16

Patent Grants:

131

Last grant date:

2025-09-30

Top Inventors for applications by Welltec A/S

These are the the leading inventors for applications assigned to Welltec A/S:

Recent patent applications by Welltec A/S

Welltec A/S based in Allerød, DK has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-04-16
US20260103953A1
Fixed constructions

DOWNHOLE TOOL

#2 | 2026-04-09
US20260098467A1
Fixed constructions

METHOD OF DETERMINING THE POSITION OF A DOWNHOLE TOOL IN A BOREHOLE

#3 | 2026-03-12
US20260071512A1
Fixed constructions

DOWNHOLE PACKER ASSEMBLY

#4 | 2025-01-02 ✅ Patent 12,428,921 granted on 2025-09-30
US20250003305A1
Fixed constructions

DOWNHOLE WIRELINE TOOL

#5 | 2024-11-28 ✅ Patent 12,571,273 granted on 2026-03-10
US20240392640A1
Fixed constructions

DOWNHOLE RADIAL FORCE TOOL ASSEMBLY

#6 | 2023-10-26 ✅ Patent 12,312,886 granted on 2025-05-27
US20230340847A1
Fixed constructions

Downhole tool string

#7 | 2023-09-21 ✅ Patent 12,435,587 granted on 2025-10-07
US20230295994A1
Fixed constructions

WIRELINE EXPANSION TOOL

#8 | 2023-04-13 ✅ Patent 12,116,854 granted on 2024-10-15
US20230112756A1
Fixed constructions

Downhole self-propelling wireline tool

#9 | 2023-04-13 ✅ Patent 12,129,726 granted on 2024-10-29
US20230112474A1
Fixed constructions

Hydraulically driven downhole self-propelling wireline tool

#10 | 2023-04-13 ✅ Patent 12,044,084 granted on 2024-07-23
US20230110460A1
Fixed constructions

Hydraulically driven downhole self-propelling wireline tool string

#11 | 2023-03-02 ✅ Patent 11,859,459 granted on 2024-01-02
US20230064823A1
Fixed constructions

Downhole tool

#12 | 2022-11-17 ✅ Patent 11,994,001 granted on 2024-05-28
US20220364434A1
Fixed constructions

Downhole method for separating well tubular structure

#13 | 2022-09-29 ✅ Patent 11,982,152 granted on 2024-05-14
US20220307342A1
Fixed constructions

Wireline plug system

#14 | 2022-09-22 ✅ Patent 12,129,744 granted on 2024-10-29
US20220298893A1
Fixed constructions

Downhole pumping tool

#15 | 2022-09-01 ✅ Patent 11,988,057 granted on 2024-05-21
US20220275708A1
Fixed constructions

Downhole wireline tool string

#16 | 2022-05-26 ✅ Patent 11,624,256 granted on 2023-04-11
US20220162924A1
Fixed constructions

Downhole packer assembly

#17 | 2022-03-31 ✅ Patent 12,037,858 granted on 2024-07-16
US20220098946A1
Fixed constructions

Downhole positive displacement pump

#18 | 2021-11-04 ✅ Patent 12,590,499 granted on 2026-03-31
US20210340830A1
Fixed constructions

DOWNHOLE TUBING INTERVENTION TOOL

#19 | 2021-09-30 ✅ Patent 11,530,589 granted on 2022-12-20
US20210301616A1
Fixed constructions

Downhole tool

#20 | 2021-09-16 ✅ Patent 11,643,897 granted on 2023-05-09
US20210285300A1
Fixed constructions

Downhole line separation tool

#21 | 2020-08-27 ✅ Patent 11,542,810 granted on 2023-01-03
US20200270983A1
Fixed constructions

Downhole tool for determining laterals

#22 | 2020-07-09 ✅ Patent 11,261,690 granted on 2022-03-01
US20200217170A1
Fixed constructions

Downhole method and system for providing zonal isolation with annular barrier expanded from within and through well tubular metal structure

#23 | 2020-07-09 ✅ Patent 11,299,948 granted on 2022-04-12
US20200217159A1
Fixed constructions

Downhole method for removal of tubular metal structure

#24 | 2020-06-11 ✅ Patent 11,098,544 granted on 2021-08-24
US20200181997A1
Fixed constructions

Downhole tool with long projecting extension

#25 | 2020-04-16 ✅ Patent 11,414,935 granted on 2022-08-16
US20200115964A1
Fixed constructions

Intervention system and method for operating an intervention system

#26 | 2019-10-31 ✅ Patent 10,844,682 granted on 2020-11-24
US20190330949A1
Fixed constructions

Workover tool string

#27 | 2019-05-23 ✅ Patent 10,822,937 granted on 2020-11-03
US20190153842A1
Fixed constructions

Fracturing method using in situ fluid

#28 | 2019-03-07 ✅ Patent 10,801,295 granted on 2020-10-13
US20190071947A1
Fixed constructions

Riserless intervention system and method

#29 | 2019-01-31 ✅ Patent 10,641,054 granted on 2020-05-05
US20190032432A1
Fixed constructions

Retrieval system

#30 | 2018-09-27 ✅ Patent 11,286,768 granted on 2022-03-29
US20180274356A1
Fixed constructions

Downhole plug and abandonment system

#31 | 2018-04-12 ✅ Patent 10,724,328 granted on 2020-07-28
US20180100373A1
Fixed constructions

Downhole tool string for plug and abandonment by cutting

#32 | 2018-03-01 ✅ Patent 10,526,845 granted on 2020-01-07
US20180058146A1
Fixed constructions

Downhole tool string

#33 | 2018-02-01 ✅ Patent 10,435,977 granted on 2019-10-08
US20180030797A1
Fixed constructions

Downhole stroking tool

#34 | 2017-12-07 ✅ Patent 10,557,312 granted on 2020-02-11
US20170350193A1
Fixed constructions

Downhole operational tool

#35 | 2017-09-07 ✅ Patent 10,180,044 granted on 2019-01-15
US20170254183A1
Fixed constructions

Downhole wireless transfer system

#36 | 2017-08-10 ✅ Patent 11,002,124 granted on 2021-05-11
US20170226837A1
Fixed constructions

Downhole device and downhole system

#37 | 2017-06-08 ✅ Patent 10,267,119 granted on 2019-04-23
US20170159405A1
Fixed constructions

Downhole well system

#38 | 2017-06-08 ✅ Patent 10,851,604 granted on 2020-12-01
US20170159385A1
Fixed constructions

Downhole wireline machining tool string

#39 | 2017-05-25 ✅ Patent 10,458,219 granted on 2019-10-29
US20170145801A1
Fixed constructions

Downhole stimulation system

#40 | 2017-05-25 ✅ Patent 10,100,599 granted on 2018-10-16
US20170145777A1
Fixed constructions

Annular barrier completion with inductive system

#41 | 2017-05-18 ✅ Patent 10,267,144 granted on 2019-04-23
US20170138177A1
Fixed constructions

Downhole sensor system

#42 | 2017-04-27 ✅ Patent 10,337,323 granted on 2019-07-02
US20170114636A1
Fixed constructions

Dual function downhole tool

#43 | 2017-04-13 ✅ Patent 10,253,591 granted on 2019-04-09
US20170101847A1
Fixed constructions

Downhole string for drilling through a low pressure zone

#44 | 2017-04-06 ✅ Patent 10,408,017 granted on 2019-09-10
US20170096879A1
Fixed constructions

Downhole flow device

#45 | 2017-03-30 ✅ Patent 11,236,588 granted on 2022-02-01
US20170089179A1
Fixed constructions

Method and apparatus for verifying a well model

#46 | 2016-12-22 ✅ Patent 10,100,598 granted on 2018-10-16
US20160369587A1
Fixed constructions

Downhole expandable metal tubular

#47 | 2016-11-10 ✅ Patent 10,151,168 granted on 2018-12-11
US20160326830A1
Fixed constructions

Downhole expandable tubular

#48 | 2016-10-27 ✅ Patent 10,337,292 granted on 2019-07-02
US20160312584A1
Fixed constructions

Downhole completion system and method

#49 | 2016-09-15 ✅ Patent 9,970,248 granted on 2018-05-15
US20160265293A1
Fixed constructions

Downhole system and method for fastening upper and lower casings via expandable metal sleeve

#50 | 2016-08-11 ✅ Patent 9,957,778 granted on 2018-05-01
US20160230508A1
Fixed constructions

Downhole wireline cleaning tool

#51 | 2016-08-04 ✅ Patent 10,344,555 granted on 2019-07-09
US20160222753A1
Fixed constructions

Thermally expanded annular barrier, system, and method with a thermally decomposable compound

#52 | 2016-07-28 ✅ Patent 10,557,307 granted on 2020-02-11
US20160215564A1
Fixed constructions

Drilling tool

#53 | 2016-07-14 ✅ Patent 9,638,026 granted on 2017-05-02
US20160201456A1
Fixed constructions

Downhole tool

#54 | 2016-05-26 ✅ Patent 10,214,997 granted on 2019-02-26
US20160145973A1
Fixed constructions

Downhole cleaning tool and cleaning method

#55 | 2016-05-12 ✅ Patent 10,316,602 granted on 2019-06-11
US20160130904A1
Fixed constructions

Downhole machining system and method

#56 | 2016-03-10 ✅ Patent 9,416,629 granted on 2016-08-16
US20160069166A1
Fixed constructions

Downhole tool capable of withstanding high temperatures

#57 | 2016-02-25 ✅ Patent 10,100,621 granted on 2018-10-16
US20160053591A1
Fixed constructions

Downhole expandable tubular

#58 | 2015-10-29
US20150308232A1
Fixed constructions

DOWNHOLE CLEANING SYSTEM

#59 | 2015-10-22 ✅ Patent 9,835,023 granted on 2017-12-05
US20150300154A1
Fixed constructions

Barrier testing method

#60 | 2015-08-06 ✅ Patent 9,926,773 granted on 2018-03-27
US20150218923A1
Fixed constructions

Expandable drop device

#61 | 2015-08-06
US20150218900A1
Fixed constructions

DOWNHOLE TURBINE-DRIVEN SYSTEM

#62 | 2015-04-30
US20150114629A1
Fixed constructions

ELECTRICAL POWER DISTRIBUTION METHOD FOR A WIRELINE TOOL STRING DOWNHOLE

#63 | 2015-03-12 ✅ Patent 9,963,952 granted on 2018-05-08
US20150068774A1
Fixed constructions

Annular barrier with a seal

#64 | 2015-02-05 ✅ Patent 9,038,737 granted on 2015-05-26
US20150034334A1
Fixed constructions

Inflow control device

#65 | 2015-02-05
US20150034316A1
Fixed constructions

ANNULAR BARRIER HAVING EXPANSION TUBES

#66 | 2014-12-25
US20140374100A1
Fixed constructions

PUNCHING TOOL

#67 | 2014-12-18 ✅ Patent 9,523,257 granted on 2016-12-20
US20140367123A1
Fixed constructions

Downhole tubular system and assembly for sealing an opening

#68 | 2014-12-04 ✅ Patent 9,518,447 granted on 2016-12-13
US20140352950A1
Fixed constructions

Method of controlling a downhole operation

#69 | 2014-12-04 ✅ Patent 9,458,687 granted on 2016-10-04
US20140352947A1
Fixed constructions

Stimulation method

#70 | 2014-12-04 ✅ Patent 9,518,439 granted on 2016-12-13
US20140352942A1
Fixed constructions

Annular barrier with a self-actuated device

#71 | 2014-11-20 ✅ Patent 10,174,603 granted on 2019-01-08
US20140340506A1
Fixed constructions

Downhole visualisation method

#72 | 2014-11-13 ✅ Patent 9,752,401 granted on 2017-09-05
US20140332234A1
Fixed constructions

Setting tool

#73 | 2014-11-13 ✅ Patent 9,366,107 granted on 2016-06-14
US20140332232A1
Fixed constructions

Annular barrier with an expansion detection device

#74 | 2014-10-30 ✅ Patent 9,803,465 granted on 2017-10-31
US20140318770A1
Fixed constructions

Pressure integrity testing system

#75 | 2014-10-23 ✅ Patent 9,404,335 granted on 2016-08-02
US20140311759A1
Fixed constructions

Annular barrier system with flow lines

#76 | 2014-10-23 ✅ Patent 9,695,658 granted on 2017-07-04
US20140311757A1
Fixed constructions

Pulling tool

#77 | 2014-10-23 ✅ Patent 9,745,819 granted on 2017-08-29
US20140311751A1
Fixed constructions

Annular barrier and annular barrier system

#78 | 2014-10-23
US20140311528A1
Fixed constructions

CLEANING TOOL AND A METHOD FOR TREATING AN INNER SURFACE OF A CASING

#79 | 2014-10-02 ✅ Patent 9,359,869 granted on 2016-06-07
US20140290935A1
Fixed constructions

Stimulation method

#80 | 2014-09-18 ✅ Patent 9,915,143 granted on 2018-03-13
US20140260589A1
Fixed constructions

Downhole tool for determining flow velocity using measurements from a transducer and a plurality of electrodes

#81 | 2014-08-28 ✅ Patent 9,683,425 granted on 2017-06-20
US20140238675A1
Fixed constructions

Downhole injection tool

#82 | 2014-08-07 ✅ Patent 9,725,980 granted on 2017-08-08
US20140216755A1
Fixed constructions

Annular barrier with pressure amplification

#83 | 2014-07-24
US20140202242A1
Fixed constructions

DOWNHOLE TOOL FOR DETERMINING LATERALS

#84 | 2014-07-17 ✅ Patent 10,844,686 granted on 2020-11-24
US20140196887A1
Fixed constructions

Annular barrier with safety metal sleeve

#85 | 2014-07-10 ✅ Patent 9,708,862 granted on 2017-07-18
US20140190708A1
Fixed constructions

Annular barrier with axial force mechanism

#86 | 2014-07-10
US20140190683A1
Fixed constructions

ANNULAR BARRIER WITH COMPENSATION DEVICE

#87 | 2014-06-12 ✅ Patent 9,556,693 granted on 2017-01-31
US20140158371A1
Fixed constructions

Disconnecting tool

#88 | 2014-06-05 ✅ Patent 9,726,005 granted on 2017-08-08
US20140152298A1
Fixed constructions

Positioning method and tool for determining the position of the tool in a casing downhole

#89 | 2014-05-29 ✅ Patent 9,206,666 granted on 2015-12-08
US20140145402A1
Fixed constructions

Annular barrier with external seal

#90 | 2014-05-08 ✅ Patent 10,344,745 granted on 2019-07-09
US20140127046A1
Mechanical engineering

Downhole hydraulic pump

#91 | 2014-05-08
US20140124686A1
Fixed constructions

INTERVENTION BLOWOUT PREVENTER AND WELL INTERVENTION TOOL

#92 | 2014-05-08 ✅ Patent 9,441,436 granted on 2016-09-13
US20140124191A1
Fixed constructions

Downhole tubing cutter tool

#93 | 2014-04-17
US20140102801A1
Fixed constructions

FORMATION PENETRATING TOOL

#94 | 2014-04-17
US20140102719A1
Fixed constructions

ROCK ANCHOR

#95 | 2014-03-20
US20140076582A1
Fixed constructions

TOOL STRING

#96 | 2014-03-20 ✅ Patent 9,416,650 granted on 2016-08-16
US20140076531A1
Fixed constructions

Downhole tool with thermally insulated electronics module

#97 | 2014-03-06 ✅ Patent 9,422,775 granted on 2016-08-23
US20140060846A1
Fixed constructions

Downhole casing system

#98 | 2014-02-27 ✅ Patent 9,509,190 granted on 2016-11-29
US20140054993A1
Electricity

Downhole elongated electrical motor

#99 | 2014-01-16 ✅ Patent 9,494,001 granted on 2016-11-15
US20140014369A1
Fixed constructions

Service panel

#100 | 2014-01-16 ✅ Patent 9,435,167 granted on 2016-09-06
US20140014368A1
Fixed constructions

Downhole driving unit having a hydraulic motor in a wheel

Also check out WELLTEC A/S's (Allerød, Denmark) applicant profile with 71 patent applications submitted.

AssigneeID:

4254