For the Inventor, By the Inventor

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Nyack, NY, United States of America

Stoffel Seals Corporation

USPTO Granted Patents = 18

% Expired Patents = 5.6

Trademarks = 1

Forward Citations = 289

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7 inventors (with patents filed for the assignee):

Charles Fuehrer (12 out of 13 patents)

Erwin Ruegg (2 out of 2 patents)

John F Stoffel (2 out of 2 patents)

4. Ralph J Mallozzi (1 out of 3 patents)

5. Hans Bienz (1 out of 1 patent)

6. Grover Singh (1 out of 1 patent)

7. Charlie Fuehrer (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. D643069 - Name tag attachment (2011-08-09),

2. D484782 - Shackle seal (2004-01-07),

3. 6513842 - Tamper indicating seal for shipping containers (2003-02-04),

4. 5849142 - Three-dimensional seal applicator (1998-12-15),

5. 5762386 - Tamper resistant seal and method of sealing an object (1998-06-09),

6. 5639131 - Tamper resistant seal with controlled break (1997-06-17),

7. 5573043 - Closure cup for a pressure dispenser (1996-11-12),

8. 5568952 - Tamper resistant shackle seal with multiple locking components (1996-10-29),

9. 5210966 - Indentification tag (1993-05-18),

10. 5085476 - Drum ring seal (1992-02-04),

11. 5056837 - Tamper resistant shackle seal with assembled locking components (1991-10-15),

12. 5052081 - Clip assembly for badges and similar articles (1991-10-01),

13. 4946210 - Tamper resistant shackle seal (1990-08-07),

14. 4813568 - Container with plastic ear assemblies and wire handle and method of (1989-03-21),

15. 4712705 - Tamper indicating cap seal for container valves (1987-12-15),

Stoffel Seals Corporation is a leading manufacturer and distributor of high-quality seals and gaskets for industrial applications. With over 50 years of experience, we offer custom solutions for various industries including automotive, aerospace, and manufacturing. Our products are known for their durability and reliability, making us a trusted partner for companies worldwide.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

18 Patents

#2 in Nyack, NY

#1,051 in New York

#17,933 in US

#34,146 in the World

Nyack, NY, United States of America

Stoffel Seals Corporation

Forward Citations = 289

7 inventors:

Charles Fuehrer (12 out of 13 patents)

Erwin Ruegg (2 out of 2 patents)

John F Stoffel (2 out of 2 patents)

4. Ralph J Mallozzi (1 out of 3 patents)

5. Hans Bienz (1 out of 1 patent)

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