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For the Inventor, By the Inventor

DeWitt, NE, United States of America

Petersen Manufacturing Co., Inc.

Calculating rank
USPTO Granted Patents = 33

Trademarks = 7

Forward Citations = 1,175

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16 inventors (with patents filed for the assignee):

goldMedal Joseph A Sorensen (18 out of 36 patents)

silverMedal Dwight L Gatzemeyer (8 out of 10 patents)

bronzeMedal Christian Petersen (5 out of 5 patents)

4.  Thomas M Chervenak (3 out of 9 patents)

5.  Steven Edward Zlomke (2 out of 9 patents)

6.  Burrell T Burney (2 out of 4 patents)

7.  Ralph Petersen (2 out of 2 patents)

8.  Jeffrey Spanski (2 out of 2 patents)

9.  Gene L Tyser (1 out of 5 patents)

10.  Blaise M Wooderson (1 out of 14 patents)

11.  Anthony Bernard Fuller (1 out of 13 patents)

12.  LaVerne R Durfee, Jr (1 out of 2 patents)

13.  Terry G Leseberg (1 out of 1 patent)

14.  Toby J Beckmann (1 out of 5 patents)

15.  Charles A Poremba (1 out of 1 patent)


Core Competencies:
Submersible Light
Locking Pliers
Bar Clamp
Welding Clamp
Quick Action Clamp
Tool Display Package
Composite Handle
Adjustable Tool
Bicycle Tool
Spring Clamp
Hex Key Wrench
Protective Pad

33 patents:

1. 5980065 - Submersible light (1999-11-09),
2. 5503049 - Opposed handle hand tool with composite handle (1996-04-02),
3. D366829 - Tool display package (1996-02-06),
4. D357165 - Pair of jaws for a welding clamp (1995-04-11),
5. D355104 - Pipe clamp (1995-02-07),
6. 5377567 - Bicycle tool (1995-01-03),
7. 5351585 - Large capacity locking pliers (1994-10-04),
8. D350892 - Spring clamp (1994-09-27),
9. 5335772 - Tool display package (1994-08-09),
10. 5326076 - Hand crew clamp (1994-07-05),
11. D342433 - Handle for a hex key wrench set (1993-12-21),
12. D341069 - Protective pad for the jaws of a clamp (1993-11-09),
13. D340851 - Protective pad for the jaws of a clamp (1993-11-02),
14. 5222420 - Quick action bar clamp (1993-06-29),
15. 5203797 - Rapid jaw adjustment for tools and the like (1993-04-20),
Company Overview
Petersen Manufacturing Co., Inc. is a prominent player in the manufacturing sector, specializing in high-quality products for various industries. The company is known for its innovative solutions in the field of metal fabrication, offering a range of services that include custom manufacturing and engineering support. With a strong focus on precision and durability, Petersen Manufacturing serves clients across multiple sectors, contributing to advancements in technology and operational efficiency. Headquartered in DeWitt, Nebraska, the company emphasizes quality and customer satisfaction in its operations.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

33 Patents

#1 in DeWitt, NE

#623 in Nebraska

#10,312 in US

#20,172 in the World

DeWitt, NE (US)
DeWitt, NE, United States of America

Petersen Manufacturing Co., Inc.

Forward Citations = 1,175

16 inventors:

goldMedal Joseph A Sorensen (18 out of 36 patents)

silverMedal Dwight L Gatzemeyer (8 out of 10 patents)

bronzeMedal Christian Petersen (5 out of 5 patents)

4.  Thomas M Chervenak (3 out of 9 patents)

5.  Steven Edward Zlomke (2 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Petersen Manufacturing Co., Inc.. Retrieved from https://idiyas.com/company/petersen-manufacturing-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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