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For the Inventor, By the Inventor

Oakland, NJ, United States of America

Willinger Bros., Inc.

Calculating rank
USPTO Granted Patents = 46


Trademarks = 4

Forward Citations = 687

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12 inventors (with patents filed for the assignee):

goldMedal Allan H Willinger (44 out of 63 patents)

silverMedal Robert Ellis (6 out of 7 patents)

bronzeMedal 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)


Core Competencies:
Aquarium Filter
Power Head
Aeration Device
Filter Cartridge
Biological Filtration
Air Pump
Floating Impeller
Aquarium Thermometer
Clogging Indicator
Artificial Plant
Undergravel Filter
Aquarium Tubules

46 patents:

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),
Company Overview
Willinger Bros., Inc., based in Oakland, NJ, specializes in the development and manufacturing of advanced aquarium equipment. The company focuses on innovative solutions for aquatic environments, including aquarium filters, power heads, and self-priming filtration systems. Their product line also encompasses biological filtration technologies, air pumps, and precision thermometers, catering to both hobbyists and professionals in the aquatics industry. Willinger Bros. is committed to enhancing the health and sustainability of aquatic ecosystems through reliable and efficient products.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

46 Patents

#2 in Oakland, NJ

#312 in New Jersey

#7,618 in US

#15,149 in the World

Oakland, NJ (US)
Oakland, NJ, United States of America

Willinger Bros., Inc.

Forward Citations = 687

12 inventors:

goldMedal Allan H Willinger (44 out of 63 patents)

silverMedal Robert Ellis (6 out of 7 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Willinger Bros., Inc.. Retrieved from https://idiyas.com/company/willinger-bros

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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