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For the Inventor, By the Inventor

Owatonna, MN, United States of America

Owatonna Tool Company

Calculating rank
USPTO Granted Patents = 26

Trademarks = 16

Forward Citations = 259

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23 inventors (with patents filed for the assignee):

goldMedal James C Solie (11 out of 11 patents)

silverMedal Samuel B McClocklin (10 out of 10 patents)

bronzeMedal Larry D Allard (2 out of 3 patents)

4.  James I Masterman (2 out of 2 patents)

5.  Jan H Boers (2 out of 2 patents)

6.  Daniel L Doss (2 out of 2 patents)

7.  Daniel A Bruzek (2 out of 2 patents)

8.  Michael T Landrum (2 out of 2 patents)

9.  Richard Eugene Anderson (1 out of 33 patents)

10.  Kenneth E Jacobson (1 out of 7 patents)

11.  Gerald E Barry (1 out of 8 patents)

12.  Dann B Rypka (1 out of 2 patents)

13.  Jerald Lee Waldrop (1 out of 1 patent)

14.  Richard W Steinberg (1 out of 1 patent)

15.  Clarence L Kostelecky (1 out of 1 patent)


Core Competencies:
Automatic Coupling
Hydraulic Cylinders
Control Valve
Puller Tool
Air-Hydraulic Pump
Shop Press
Pilot-Operated Valve
Two-Stage Pump
Rivet Removal
Swing Clamp
Timber Felling Device
Waste Compactor

26 patents:

1. 5067694 - Automatic coupling system (1991-11-26),
2. 4777798 - Universal control system for hydraulic cylinders (1988-10-18),
3. 4761869 - Bar-type puller (1988-08-09),
4. 4471805 - Control valve (1984-09-18),
5. 4429447 - Bearing cup installing tool (1984-02-07),
6. 4396186 - Adjustable work support (1983-08-02),
7. 4365401 - Rivet removal and fastening tool (1982-12-28),
8. 4352644 - Air-hydraulic pump (1982-10-05),
9. 4351362 - Rotary valve (1982-09-28),
10. 4169412 - Shop press (1979-10-02),
11. 4145957 - Pilot-operated valve structure (1979-03-27),
12. 4105369 - Two-stage pump (1978-08-08),
13. 4101822 - Instrument for testing a breakerless ignition system (1978-07-18),
14. D248084 - Puller tool or similar article (1978-06-06),
15. 4083381 - Control valve (1978-04-11),
Company Overview
Owatonna Tool Company, based in Owatonna, Minnesota, specializes in the design and manufacture of high-quality automotive repair tools and equipment. The company is known for its innovative solutions that enhance efficiency and precision in automotive service and maintenance. With a focus on durability and performance, Owatonna Tool Company serves a diverse clientele, including professional mechanics and automotive service providers, ensuring they have the tools necessary to meet the demands of modern vehicle repair.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

26 Patents

#8 in Owatonna, MN

#379 in Minnesota

#12,875 in US

#24,848 in the World

Owatonna, MN (US)
Owatonna, MN, United States of America

Owatonna Tool Company

Forward Citations = 259

23 inventors:

goldMedal James C Solie (11 out of 11 patents)

silverMedal Samuel B McClocklin (10 out of 10 patents)

bronzeMedal Larry D Allard (2 out of 3 patents)

4.  James I Masterman (2 out of 2 patents)

5.  Jan H Boers (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Owatonna Tool Company. Retrieved from https://idiyas.com/company/owatonna-tool-company

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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