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For the Inventor, By the Inventor

Pewaukee, WI, United States of America

Harken, Incorporated

Calculating rank
USPTO Granted Patents = 42

% Expired Patents = 11.9


Trademarks = 17

Forward Citations = 317

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30 inventors (with patents filed for the assignee):

goldMedal Charles J Lob (12 out of 12 patents)

silverMedal Kenneth Edward Lange (6 out of 6 patents)

bronzeMedal Jonathan D Malcolm (5 out of 5 patents)

4.  Greg W Hartlmeier (5 out of 5 patents)

5.  Peter O Harken (4 out of 11 patents)

6.  William C Ottemann (3 out of 4 patents)

7.  Olaf T Harken (3 out of 5 patents)

8.  Dana Jordan (2 out of 3 patents)

9.  John S Millman (2 out of 2 patents)

10.  Thomas G Hanson (2 out of 2 patents)

11.  Dane M Blackburn (2 out of 2 patents)

12.  J Kevin Monahan (2 out of 2 patents)

13.  John R Christianson (2 out of 25 patents)

14.  Richard H Siemer, Jr (1 out of 2 patents)

15.  Michael Piontek (1 out of 4 patents)


Core Competencies:
Retracting Pins
High Load Descender
Patient Transport System
Furling Sail System
Bearing Block
Winch
Thrust Bearing
Slider Assembly
Boom Vang
Multi-Speed Hydraulic Pump
Fairlead Assembly
Snatch Block

42 patents:

1. 12747748 - Retracting pins for securement devices (2026-09-29),
2. 11660475 - High load descender with adaptive release linkage (2023-05-30),
3. 11097136 - High load descender with adaptive release linkage (2021-08-24),
4. 10881560 - Patient transport system (2021-01-05),
5. 10716720 - Patient transport system (2020-07-21),
6. 10583315 - High load descender with adaptive release linkage (2020-03-10),
7. 10569138 - Ascender device and method of use (2020-02-25),
8. 10092781 - High load descender with adaptive release linkage (2018-10-09),
9. 9908749 - Block (2018-03-06),
10. 9694890 - Top down furling system (2017-07-04),
11. 9217424 - Multi-speed hydraulic pump (2015-12-22),
12. 7988132 - Block with improved central mounting (2011-08-02),
13. 7980780 - Quick action turnbuckle (2011-07-19),
14. 7673851 - Block with improved central mounting (2010-03-09),
15. 7494110 - Arrangement for lifting and lowering objects (2009-02-24),
Company Overview
Harken, Incorporated, based in Pewaukee, Wisconsin, specializes in the design and manufacture of innovative equipment for sailing and marine applications. The company is recognized for its advanced technologies, including high load descenders, patient transport systems, and ascender devices. Harken's expertise extends to developing top down furling systems, multi-speed hydraulic pumps, quick action turnbuckles, and furling sail systems, catering to both recreational and professional markets. Their commitment to quality and performance makes them a leader in the marine industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Harken, Incorporated USPTO Patent Assignee Logo
42 Patents

#1 in Pewaukee, WI

#204 in Wisconsin

#8,270 in US

#16,383 in the World

Pewaukee, WI (US)
Pewaukee, WI, United States of America

Harken, Incorporated

Forward Citations = 317

30 inventors:

goldMedal Charles J Lob (12 out of 12 patents)

silverMedal Kenneth Edward Lange (6 out of 6 patents)

bronzeMedal Jonathan D Malcolm (5 out of 5 patents)

4.  Greg W Hartlmeier (5 out of 5 patents)

5.  Peter O Harken (4 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harken, Incorporated. Retrieved from https://idiyas.com/company/harken

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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