Inventor

Allan H. Willinger

Inventor

Oakland, NJ, US

Overview

63→

Patents

1977–1995

Patent span

Human necessities

Primary field (CPC A)

Patents· 63 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Kprimary

A01KAnimal husbandry55%

F04DNon-positive-displacement pumps5%

LOCD25%

Y10TTechnical subjects covered by former us classification5%

A41GArtificial flowers4%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%

F16KValves3%

H05BElectric heating3%

LOCD13%

LOCD33%

PatentTitleYear

D0355701'Aquarium filter'1995 D0353715'Aquarium tube cleaning brush'1994 D0353649'Aquarium filter bag'1994 5,290,157'Clamp for attaching an aquarium power head'1994 5,282,961'Floating impeller assembly'1994 5,282,727'Aquarium power head with integral muffler'1994 5,238,367'Impeller assembly for aquarium power filter'1993 D0338018'Air pump'1993 5,228,986'Aquarium power filter'1993 5,176,824'Aerobic aquarium filter chamber'1993 5,137,433'Aquarium power head with integral muffler'1992 5,098,585'Aquarium filter assembly'1992 5,053,125'Filter cartridge'1991 5,052,904'Aquarium air pump'1991 5,034,165'Air stone'1991 D0317966'Aquarium filter'1991 4,997,559'Aquarium filter assembly with restricted pumping window'1991 D0307626'Aquarium filter cartridge'1990 4,907,772'Universal clamp for aquarium tank'1990 4,895,646'External aquarium filter'1990 4,886,093'Vent valve of an air pump'1989 4,880,549'Method of filtering in an aquarium tank with a filter envelope'1989 4,861,468'Rotor impeller assembly'1989 4,842,727'Aquarium filter'1989 4,842,726'Inside filter for aquariums'1989 4,783,258'Filter cartridge with reuseable framework'1988 4,761,227'Self priming aquarium filter'1988 4,753,723'Inside filter for aquariums'1988 4,735,715'Power unit for aquarium filter assembly'1988 D0294172'Aquarium power filter'1988 4,714,547'Aquarium tubules'1987 4,699,829'Biological filtration plants'1987 D0291720'Aquarium filter pump'1987 D0291722'Aquarium filter cartridge frame'1987 D0291721'Aquarium filter cartridge'1987 D0289914'Filter housing for aquariums'1987 4,622,148'Aquarium filter system'1986 4,602,996'Aquarium filter assembly'1986 4,589,982'Removable power pack pump assembly'1986 D0280658'Aquarium filter'1985 4,532,037'Aquarium aerating device'1985 4,512,885'Aquarium filter assembly'1985 D0273409'Combined aquarium fishnet and support'1984 4,392,570'Aquarium net assembly and packaging therefore'1983 D0269633'Check valve'1983 4,369,216'Artificial aquarium plant'1983 4,340,625'Artificial aquarium plant'1982 4,315,143'Aquarium heater'1982 4,301,767'Holding clamp for an aquarium heater'1981 4,265,751'External biological aquarium filter'1981 4,255,648'Aquarium heater'1981 4,192,255'Aquarium airstone device'1980 4,186,093'Bottom aquarium filter'1980 4,185,743'Artificial aquarium plant, anchor and container therefor'1980 D0253738'Display rack'1979 4,148,730'Undergravel aquarium filter'1979 D0249879'Anchor for artificial aquarium plant'1978 D0249897'Air stone'1978 D0248965'Aquarium filter'1978 4,099,544'Vent valve of an air pump'1978 D0247435'Aquarium air pump'1978 D0247436'Aquarium air pump'1978 D0246724'Aquarium filter'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1995Patents assigned to WILLINGER BROS (54)· patent assignee history

1977–1984Based in New York, NY, US· patent location history

1978–1987Patents assigned to WILLINGER ALLAN H (6)· patent assignee history

1978–1983Patents assigned to ITAKURA TSUYOSHI (5)· patent assignee history

1982–1989Based in Englewood, NJ, US· patent location history

1986–1995Based in Franklin Lakes, NJ, US· patent location history

1987–1993Based in Oakland, NJ, US· patent location history

1988–1991Based in Wright, NY, US· patent location history

1989–1991Patents assigned to ITAKURA SOKI (2)· patent assignee history

1994Patents assigned to WARNER LAMBERT CO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WILLINGER BROS	54	1977–1995
WILLINGER ALLAN Hself	6	1978–1987
ITAKURA TSUYOSHI	5	1978–1983
ITAKURA SOKI	2	1989–1991
WARNER LAMBERT CO	2	1994

Locations

Location	Patents	Span
Oakland, New Jersey, US	18	1987–1993
New York, New York, US	18	1977–1984
Englewood, New Jersey, US	13	1982–1989
Franklin Lakes, New Jersey, US	11	1986–1995
Wright, New York, US	2	1988–1991