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Madison, OH, United States of America

Perfection Corporation

USPTO Granted Patents = 37

Trademarks = 8

Forward Citations = 774

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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)

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),

Perfection Corporation is a leading provider of innovative solutions for businesses. With a strategic focus on exceeding customer expectations, Perfection Corporation offers a wide range of services and products designed to streamline operations, increase efficiency, and drive growth. Our team of experts is committed to delivering the highest quality solutions tailored to meet each client's unique needs. Through our dedication to excellence and continuous improvement, Perfection Corporation has established a strong reputation as a trusted partner for businesses in various industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

37 Patents

#1 in Madison, OH

#369 in Ohio

#8,942 in US

#17,710 in the World

Madison, OH, United States of America

Perfection Corporation

Forward Citations = 774

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)

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