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Madison, OH, United States of America

Perfection Corporation

Calculating rank

USPTO Granted Patents = 37

% Expired Patents = 2.7

Trademarks = 5

Forward Citations = 784

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29 inventors (with patents filed for the assignee):

David P Passerell (10 out of 11 patents)

Frank R Volgstadt (10 out of 10 patents)

David L Robison (5 out of 10 patents)

4. James M Lorenz (5 out of 5 patents)

5. Dave Robison (4 out of 4 patents)

6. Sam Alewitz (4 out of 4 patents)

7. Steven J Passerell (3 out of 5 patents)

8. Jason Knaus (3 out of 3 patents)

9. Albert H Reschke (3 out of 3 patents)

10. Robert D Tesar (2 out of 2 patents)

11. Irvin D Jacobson (2 out of 2 patents)

12. Ralph L Hart (2 out of 2 patents)

13. R Dale Moretz (1 out of 8 patents)

14. Richard M France (1 out of 2 patents)

15. Stan Skrbis (1 out of 1 patent)

Core Competencies:

Excess Flow Valve

Gas Riser

Coupling Assembly

Heat Trap

Angle Valve

Non-Metallic Sealing

Ball Valve

Reinforced Polymer

Stab-Type Coupling

Tapping Tee

Field Assembled

Anti-Rotation Bracket

37 patents: Sort by Forward Citations

1. 7178544 - Combination shut-off and resetable excess flow valve (2007-02-20),

2. 7125052 - Crimped gas riser with jacket assembly (2006-10-24),

3. 7093565 - Heat trap (2006-08-22),

4. 6932389 - Connector with fluid line installation indicator (2005-08-23),

5. 6892753 - Structure for converting a mechanical joint to a fusion joint (2005-05-17),

6. 6851395 - Heat trap with non-rotating sealing member (2005-02-08),

7. 6565125 - Coupling assembly for joining plastic and metal pipes (2003-05-20),

8. 6371531 - Stab-type coupling with collet having locking ribs and rotation prevention member (2002-04-16),

9. 6371525 - Gas riser with free rotating plastic riser casing (2002-04-16),

10. 6142538 - Stab-type coupling with conduit inner diameter seal (2000-11-07),

11. 5947532 - Stab-type coupling for conduit (1999-09-07),

12. 5934711 - Mold shot riser element with O-ring sealing (1999-08-10),

13. 5839703 - Anti-rotation bracket (1998-11-24),

14. 5779285 - Pipe coupling assembly (1998-07-14),

15. 5590914 - Field assembled gas riser (1997-01-07),

Company Overview

Perfection Corporation, based in Madison, Ohio, specializes in precision manufacturing and engineering solutions. The company is known for its expertise in developing high-quality components and systems for various industries, including automotive, aerospace, and industrial applications. With a strong focus on innovation, Perfection Corporation leverages advanced technologies to enhance product performance and reliability, ensuring that it meets the evolving needs of its clients in a competitive market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

37 Patents

#1 in Madison, OH

#396 in Ohio

#9,276 in US

#18,312 in the World

Madison, OH, United States of America

Perfection Corporation

Forward Citations = 784

29 inventors:

David P Passerell (10 out of 11 patents)

Frank R Volgstadt (10 out of 10 patents)

David L Robison (5 out of 10 patents)

4. James M Lorenz (5 out of 5 patents)

5. Dave Robison (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Perfection Corporation. Retrieved from https://idiyas.com/company/perfection

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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