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For the Inventor, By the Inventor

Wilmington, DE, United States of America

Harnischfeger Technologies, Inc.


USPTO Granted Patents = 152

% Expired Patents = 14.5


Trademarks = 8

Forward Citations = 1,144

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109 inventors (with patents filed for the assignee):

goldMedal Joseph J Colwell (41 out of 51 patents)

silverMedal Michael J Linstroth (22 out of 30 patents)

bronzeMedal William J Hren (18 out of 24 patents)

4.  Wesley P Taylor (17 out of 29 patents)

5.  Jason Knuth (14 out of 19 patents)

6.  MooYoung Lee (10 out of 14 patents)

7.  Bernard W Pusheck (8 out of 8 patents)

8.  Justin Zunker (8 out of 8 patents)

9.  Richard Nicoson (7 out of 22 patents)

10.  William Powers (7 out of 23 patents)

11.  Matthew L Gross (7 out of 15 patents)

12.  Mark Emerson (7 out of 10 patents)

13.  Harvey J Kallenberger (7 out of 26 patents)

14.  Michael J Rikkola (7 out of 11 patents)

15.  Nicholas R Voelz (6 out of 17 patents)


Core Competencies:
Remote Monitoring
Industrial Machine
Vibration Monitoring
Digging Operation
Shovel Control
Fluid Conveyance
Dynamic Control
Counterweight System
Crawler Track
Monitoring Efficiency
Dipper Automation
Collision Detection

152 patents:

1. 9971346 - Remote monitoring of machine alarms (2018-05-15),
2. 9957690 - Controlling a digging operation of an industrial machine (2018-05-01),
3. 9951571 - Gear backlash adjustment mechanism (2018-04-24),
4. 9945470 - Internal venting system for industrial machines (2018-04-17),
5. 9915053 - Dipper door trip assembly (2018-03-13),
6. 9910419 - System and method of synchronizing time between multiple systems (2018-03-06),
7. 9903090 - System and method for vibration monitoring of a mining machine (2018-02-27),
8. 9896819 - Extended reach crowd control for a shovel (2018-02-20),
9. 9890515 - Dipper door and dipper door trip assembly (2018-02-13),
10. 9869073 - Controlling the operation of an industrial machine based on wire rope dead wraps (2018-01-16),
11. 9811144 - Industrial machine having a power control system (2017-11-07),
12. 9809949 - Controlling crowd runaway of an industrial machine (2017-11-07),
13. 9809947 - Dipper for a mining shovel (2017-11-07),
14. 9809944 - Reel system within boom (2017-11-07),
15. 9784103 - Mining shovel with bushings at pin locations (2017-10-10),
Company Overview
Harnischfeger Technologies, Inc., based in Wilmington, DE, specializes in advanced industrial machine control systems. The company focuses on developing technologies for remote monitoring and dynamic control of industrial machinery, particularly in applications such as digging operations and fluid conveyance. Their expertise includes vibration monitoring and shovel control, enhancing operational efficiency and safety in heavy machinery. Harnischfeger is committed to innovation in the industrial sector, providing solutions that optimize performance and reliability.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

152 Patents

#43 in Wilmington, DE

#54 in Delaware

#2,598 in US

#5,374 in the World

Wilmington, DE (US)
Wilmington, DE, United States of America

Harnischfeger Technologies, Inc.

Forward Citations = 1,144

109 inventors:

goldMedal Joseph J Colwell (41 out of 51 patents)

silverMedal Michael J Linstroth (22 out of 30 patents)

bronzeMedal William J Hren (18 out of 24 patents)

4.  Wesley P Taylor (17 out of 29 patents)

5.  Jason Knuth (14 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harnischfeger Technologies, Inc.. Retrieved from https://idiyas.com/company/harnischfeger-technologies

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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