Assignee
PENN PLAX PLASTICS INC
US·25 granted patents·325 citations·filing 1975–1987
Top patents by PatentIndex Score
25 records- 0189US4318945AUnderwater aquarium decoration assemblyPENN PLAX PLASTICS INC·Filed 1980·Granted Mar 9, 1982·44 cites·6 claims
- 0283US4571766ADevice for cleaning the interior surface of an aquariumPENN PLAX PLASTICS INC·Filed 1984·Granted Feb 25, 1986·34 cites·20 claims
- 0382US4820556ADecorative shelf system for aquarium or terrariumPENN PLAX PLASTICS INC·Filed 1987·Granted Apr 11, 1989·36 cites·19 claims
- 0477US4620924AAquarium corner filterPENN PLAX PLASTICS INC·Filed 1984·Granted Nov 4, 1986·28 cites·20 claims
- 0573USD287170SAutomatic aquarium feederPENN PLAX PLASTICS INC·Filed 1984·Granted Dec 9, 1986·12 cites·1 claims
- 0671US4708089AAnimal habitat system for use in an animal enclosurePENN PLAX PLASTICS INC·Filed 1986·Granted Nov 24, 1987·31 cites·15 claims
- 0771US4251938AAquarium fish netPENN PLAX PLASTICS INC·Filed 1979·Granted Feb 24, 1981·21 cites·3 claims
- 0870USD290127SAquarium air pumpPENN PLAX PLASTICS INC·Filed 1984·Granted Jun 2, 1987·11 cites·1 claims
- 0965US4713173AThree element aquarium filter cartridgePENN PLAX PLASTICS INC·Filed 1986·Granted Dec 15, 1987·22 cites·17 claims
- 1056USD263593SAquarium pump housingPENN PLAX PLASTICS INC·Filed 1980·Granted Mar 30, 1982·6 cites·1 claims
- 1155US4169382AAquarium thermometerPENN PLAX PLASTICS INC·Filed 1978·Granted Oct 2, 1979·14 cites·8 claims
- 1251USD275084SAquarium thermometerPENN PLAX PLASTICS INC·Filed 1980·Granted Aug 14, 1984·5 cites·1 claims
- 1348USD290768SShelf unit for aquariumsPENN PLAX PLASTICS INC·Filed 1984·Granted Jul 7, 1987·4 cites·1 claims
- 1444US4678568AMulti-use aquarium maintenance systemPENN PLAX PLASTICS INC·Filed 1985·Granted Jul 7, 1987·11 cites·17 claims
- 1544USD258272SAquarium thermometerPENN PLAX PLASTICS INC·Filed 1978·Granted Feb 17, 1981·3 cites·1 claims
- 1644USD256563SMagnetic aquarium thermometerPENN PLAX PLASTICS INC·Filed 1978·Granted Aug 26, 1980·3 cites·1 claims
- 1741USD291825SAquarium filter cartridgePENN PLAX PLASTICS INC·Filed 1984·Granted Sep 8, 1987·2 cites·1 claims
- 1841USD246793SAquarium filterPENN PLAX PLASTICS INC·Filed 1976·Granted Dec 27, 1977·3 cites·1 claims
- 1940US4169378AAquarium thermometerPENN PLAX PLASTICS INC·Filed 1978·Granted Oct 2, 1979·7 cites·10 claims
- 2040US4152263AHeated water circulator for aquariumsPENN PLAX PLASTICS INC·Filed 1977·Granted May 1, 1979·8 cites·6 claims
- 2138USD255354SAquarium pump housingPENN PLAX PLASTICS INC·Filed 1978·Granted Jun 10, 1980·2 cites·1 claims
- 2236US4272672AAquarium heaterPENN PLAX PLASTICS INC·Filed 1979·Granted Jun 9, 1981·6 cites·5 claims
- 2333US4804012AAquarium air valve system and hanger unitPENN PLAX PLASTICS INC·Filed 1987·Granted Feb 14, 1989·5 cites·18 claims
- 2432US4693817AGravel trap and collar assembly for an undergravel aquarium filter systemPENN PLAX PLASTICS INC·Filed 1985·Granted Sep 15, 1987·4 cites·16 claims
- 2530US3998242APlastic gang valve assemblyPENN PLAX PLASTICS INC·Filed 1975·Granted Dec 21, 1976·3 cites·6 claims
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