Inventor · disambiguated record
Allan H. Willinger
Also filed as: WILLINGER ALLAN · WILLINGER ALLAN H
63 granted patents·1,436 citations·filing 1976–1993
99Inventor score
Top patents by PatentIndex Score
63 records- 0196US4512885AAquarium filter assemblyWILLINGER BROS·Filed 1983·Granted Apr 23, 1985·66 cites·18 claims
- 0295US4783258AFilter cartridge with reuseable frameworkWILLINGER BROS·Filed 1986·Granted Nov 8, 1988·66 cites·21 claims
- 0394US5053125AFilter cartridgeWILLINGER BROS·Filed 1989·Granted Oct 1, 1991·59 cites·7 claims
- 0492USD289914SFilter housing for aquariumsWILLINGER ALLAN H·Filed 1984·Granted May 19, 1987·32 cites·1 claims
- 0591US5228986AAquarium power filterWILLINGER BROS·Filed 1990·Granted Jul 20, 1993·53 cites·25 claims
- 0691US4842727AAquarium filterWILLINGER BROS·Filed 1987·Granted Jun 27, 1989·51 cites·20 claims
- 0791US4761227ASelf priming aquarium filterWILLINGER BROS·Filed 1987·Granted Aug 2, 1988·52 cites·26 claims
- 0890US4735715APower unit for aquarium filter assemblyWILLINGER BROS·Filed 1986·Granted Apr 5, 1988·49 cites·8 claims
- 0990US4301767AHolding clamp for an aquarium heaterWILLINGER ALLAN H·Filed 1980·Granted Nov 24, 1981·49 cites·11 claims
- 1088USD247436SAquarium air pumpWILLINGER BROS·Filed 1977·Granted Mar 7, 1978·22 cites·1 claims
- 1187US4997559AAquarium filter assembly with restricted pumping windowWILLINGER BROS·Filed 1989·Granted Mar 5, 1991·43 cites·18 claims
- 1285US5176824AAerobic aquarium filter chamberWILLINGER BROS·Filed 1992·Granted Jan 5, 1993·48 cites·12 claims
- 1384USD353649SAquarium filter bagWARNER LAMBERT CO·Filed 1992·Granted Dec 20, 1994·27 cites·1 claims
- 1483US4880549AMethod of filtering in an aquarium tank with a filter envelopeWILLINGER BROS·Filed 1988·Granted Nov 14, 1989·35 cites·2 claims
- 1583US4602996AAquarium filter assemblyWILLINGER BROS·Filed 1985·Granted Jul 29, 1986·37 cites·10 claims
- 1680US5052904AAquarium air pumpITAKURA SOKI·Filed 1990·Granted Oct 1, 1991·42 cites·32 claims
- 1779USD269633SCheck valveWILLINGER ALLAN H·Filed 1980·Granted Jul 5, 1983·16 cites·1 claims
- 1878US5098585AAquarium filter assemblyWILLINGER BROS·Filed 1991·Granted Mar 24, 1992·38 cites·25 claims
- 1978US4369216AArtificial aquarium plantWILLINGER BROS·Filed 1981·Granted Jan 18, 1983·28 cites·19 claims
- 2078USD249879SAnchor for artificial aquarium plantWILLINGER BROS·Filed 1977·Granted Oct 10, 1978·13 cites·1 claims
- 2177US4622148AAquarium filter systemWILLINGER BROS·Filed 1985·Granted Nov 11, 1986·40 cites·18 claims
- 2277US4186093ABottom aquarium filterWILLINGER BROS·Filed 1977·Granted Jan 29, 1980·28 cites·20 claims
- 2376USD247435SAquarium air pumpWILLINGER BROS·Filed 1976·Granted Mar 7, 1978·12 cites·1 claims
- 2475USD273409SCombined aquarium fishnet and supportWILLINGER BROS·Filed 1981·Granted Apr 10, 1984·13 cites·1 claims
- 2575US4265751AExternal biological aquarium filterWILLINGER BROS·Filed 1979·Granted May 5, 1981·28 cites·9 claims
- 2673US4185743AArtificial aquarium plant, anchor and container thereforWILLINGER BROS·Filed 1978·Granted Jan 29, 1980·21 cites·24 claims
- 2771US5238367AImpeller assembly for aquarium power filterWILLINGER BROS·Filed 1992·Granted Aug 24, 1993·24 cites·7 claims
- 2868USD338018SAir pumpWILLINGER BROS·Filed 1992·Granted Aug 3, 1993·12 cites·1 claims
- 2967USD355701SAquarium filterWILLINGER BROS·Filed 1992·Granted Feb 21, 1995·12 cites·1 claims
- 3067US5282961AFloating impeller assemblyWILLINGER BROS·Filed 1993·Granted Feb 1, 1994·26 cites·20 claims
- 3167US4192255AAquarium airstone deviceWILLINGER BROS·Filed 1978·Granted Mar 11, 1980·18 cites·15 claims
- 3265US4895646AExternal aquarium filterWILLINGER BROS·Filed 1988·Granted Jan 23, 1990·22 cites·9 claims
- 3365USD291720SAquarium filter pumpWILLINGER BROS·Filed 1985·Granted Sep 1, 1987·10 cites·1 claims
- 3465US4532037AAquarium aerating deviceWILLINGER BROS·Filed 1983·Granted Jul 30, 1985·19 cites·3 claims
- 3565US4315143AAquarium heaterWILLINGER ALLAN H·Filed 1980·Granted Feb 9, 1982·20 cites·11 claims
- 3665USD249897SAir stoneWILLINGER BROS·Filed 1977·Granted Oct 10, 1978·7 cites·1 claims
- 3765USD248965SAquarium filterWILLINGER BROS·Filed 1977·Granted Aug 15, 1978·7 cites·1 claims
- 3862US4714547AAquarium tubulesWILLINGER BROS·Filed 1986·Granted Dec 22, 1987·20 cites·13 claims
- 3961US4699829ABiological filtration plantsWILLINGER BROS·Filed 1986·Granted Oct 13, 1987·24 cites·17 claims
- 4060USD294172SAquarium power filterWILLINGER BROS·Filed 1986·Granted Feb 9, 1988·8 cites·1 claims
- 4160USD246724SAquarium filterWILLINGER BROS·Filed 1976·Granted Dec 20, 1977·6 cites·1 claims
- 4259US4886093AVent valve of an air pumpITAKURA SOKI·Filed 1988·Granted Dec 12, 1989·19 cites·20 claims
- 4357US5034165AAir stoneWILLINGER BROS·Filed 1990·Granted Jul 23, 1991·27 cites·15 claims
- 4457USD307626SAquarium filter cartridgeWILLINGER BROS·Filed 1987·Granted May 1, 1990·7 cites·1 claims
- 4557US4861468ARotor impeller assemblyWILLINGER BROS·Filed 1988·Granted Aug 29, 1989·19 cites·2 claims
- 4656US4753723AInside filter for aquariumsWILLINGER BROS·Filed 1985·Granted Jun 28, 1988·17 cites·4 claims
- 4755USD317966SAquarium filterWILLINGER BROS·Filed 1988·Granted Jul 2, 1991·6 cites·1 claims
- 4855US4148730AUndergravel aquarium filterWILLINGER BROS·Filed 1977·Granted Apr 10, 1979·14 cites·14 claims
- 4953USD353715SAquarium tube cleaning brushWARNER LAMBERT CO·Filed 1992·Granted Dec 27, 1994·7 cites·1 claims
- 5053USD280658SAquarium filterWILLINGER BROS·Filed 1983·Granted Sep 17, 1985·5 cites·1 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →