For the Inventor, By the Inventor

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Oakland, NJ, United States of America

Willinger Bros., Inc.

USPTO Granted Patents = 46

CIPO Patents = 1

Trademarks = 7

Forward Citations = 669

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12 inventors (with patents filed for the assignee):

Allan H Willinger (44 out of 63 patents)

Robert Ellis (6 out of 7 patents)

Klaus Woltmann (4 out of 37 patents)

4. Gene S Fleischer (3 out of 4 patents)

5. Monte L Levin (3 out of 51 patents)

6. Jonathan R Willinger (2 out of 142 patents)

7. Klaus Woltman (2 out of 4 patents)

8. Mark Agresta (2 out of 2 patents)

9. Harding W Willinger (2 out of 2 patents)

10. Allan H Winninger (1 out of 1 patent)

11. Jonas A Ivasauskas (1 out of 1 patent)

12. Sean H Simmons (1 out of 5 patents)

46 patents: Sort by Forward Citations

1. D355701 - Aquarium filter (1995-02-21),

2. 5304003 - Stick-on aquarium thermometers and the like (1994-04-19),

3. 5290157 - Clamp for attaching an aquarium power head (1994-03-01),

4. 5282961 - Floating impeller assembly (1994-02-01),

5. 5282727 - Aquarium power head with integral muffler (1994-02-01),

6. 5246571 - Clogging indicator for an aquarium filter (1993-09-21),

7. 5238367 - Impeller assembly for aquarium power filter (1993-08-24),

8. D338018 - Air pump (1993-08-03),

9. 5228986 - Aquarium power filter (1993-07-20),

10. 5176824 - Aerobic aquarium filter chamber (1993-01-05),

11. 5137433 - Aquarium power head with integral muffler (1992-08-11),

12. 5098585 - Aquarium filter assembly (1992-03-24),

13. 5053125 - Filter cartridge (1991-10-01),

14. D317966 - Aquarium filter (1991-07-02),

15. 4783258 - Filter cartridge with reuseable framework (1988-11-08),

Willinger Bros., Inc. is a reputable construction company that specializes in commercial and residential projects. With a track record of over 30 years in the industry, we have successfully completed numerous construction projects, ranging from office buildings to custom homes. Our team of experienced professionals is committed to delivering exceptional craftsmanship, quality, and customer satisfaction. Visit our website to learn more about our services and view our portfolio.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

46 Patents

#4 in Oakland, NJ

#306 in New Jersey

#7,327 in US

#14,661 in the World

Oakland, NJ, United States of America

Willinger Bros., Inc.

Forward Citations = 669

12 inventors:

Allan H Willinger (44 out of 63 patents)

Robert Ellis (6 out of 7 patents)

Klaus Woltmann (4 out of 37 patents)

4. Gene S Fleischer (3 out of 4 patents)

5. Monte L Levin (3 out of 51 patents)

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