Allan H. Willinger — 54 Patents at Willinger Bros.

Allan H. Willinger has been granted 54 US patents while listed as an inventor at Willinger Bros.. The first was granted in 1980 and the most recent in February 1995. Allan H. Willinger ranks #46,969 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Allan H. Willinger in New York, NY, US.

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #	Title	Co-Inventors	Date
D355701	Aquarium filter	Sean H. Simmons	1995-02-21
D353715	Aquarium tube cleaning brush	—	1994-12-27
D353649	Aquarium filter bag	Jonas Ivasauskas	1994-12-20
5290157	Clamp for attaching an aquarium power head	Robert Ellis, Gene Fleischer, Mark Agresta	1994-03-01
5282727	Aquarium power head with integral muffler	Robert Ellis, Gene Fleischer, Mark Agresta	1994-02-01
5282961	Floating impeller assembly	Robert Ellis, Jonas Ivasauskas, Gene Fleischer	1994-02-01
5238367	Impeller assembly for aquarium power filter	Robert Ellis	1993-08-24
D338018	Air pump	Jonathan Willinger	1993-08-03
5228986	Aquarium power filter	Robert Ellis	1993-07-20
5176824	Aerobic aquarium filter chamber	Klaus Woltman, Jonathan Willinger	1993-01-05
5137433	Aquarium power head with integral muffler	Robert Ellis	1992-08-11
5098585	Aquarium filter assembly	Klaus Woltman	1992-03-24
5052904	Aquarium air pump	Tsuyoshi Itakura	1991-10-01
5053125	Filter cartridge	Klaus Woltmann	1991-10-01
5034165	Air stone	Chen-Chiao Wang	1991-07-23
D317966	Aquarium filter	—	1991-07-02
4997559	Aquarium filter assembly with restricted pumping window	Robert Ellis	1991-03-05
D307626	Aquarium filter cartridge	—	1990-05-01
4907772	Universal clamp for aquarium tank	—	1990-03-13
4895646	External aquarium filter	—	1990-01-23
4886093	Vent valve of an air pump	Tsuyoshi Itakura	1989-12-12
4880549	Method of filtering in an aquarium tank with a filter envelope	Klaus Woltmann	1989-11-14
4861468	Rotor impeller assembly	Jonas Ivasauskas	1989-08-29
4842727	Aquarium filter	Klaus Woltmann	1989-06-27
4842726	Inside filter for aquariums	—	1989-06-27

12 3 Next »

Allan H. Willinger — 54 Patents

Issued Patents All Time

Patent Widget