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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Willinger; Allan H.
Address:
New York, NY
No. of patents:
18
Patents:












Patent Number Title Of Patent Date Issued
D273409 Combined aquarium fishnet and support April 10, 1984
D269633 Check valve July 5, 1983
D253738 Display rack December 25, 1979
D249897 Air stone October 10, 1978
D249879 Anchor for artificial aquarium plant October 10, 1978
D248965 Aquarium filter August 15, 1978
D247436 Aquarium air pump March 7, 1978
D247435 Aquarium air pump March 7, 1978
D246724 Aquarium filter December 20, 1977
4315143 Aquarium heater February 9, 1982
An aquarium heater including a housing and a tube depending therefrom. An electric heating element is disposed in the bottom portion of the tube and a thermostatic control chassis is disposed in the upper portion of the tube. The control chassis includes two opposing housing sections mat
4301767 Holding clamp for an aquarium heater November 24, 1981
A holding clamp for suspending an aquarium heater from the top of an aquarium frame. The clamp includes a bracket having a universal throat which can accommodate different sized frames. The clamp comprises an L-shaped bracket with a retaining member slidably associated with each of t
4265751 External biological aquarium filter May 5, 1981
An external aquarium filter is disclosed, the filter including a filter receptacle having a filter chamber for receiving contaminated aquarium water and having a clean water chamber. The two chambers are separated by a filter bed, with the clean water chamber being located above the filt
4255648 Aquarium heater March 10, 1981
An aquarium heater including a housing and a tube depending therefrom. An electric heating element is disposed in the bottom portion of the tube and a thermostatic control chassis is disposed in the upper portion of the tube. The control chassis includes two opposing housing sections mat
4192255 Aquarium airstone device March 11, 1980
An aquarium device for use in an aquarium tank, the device includes two cylindrical airstones each having a nozzle with an end portion thereof secured within a bore of the airstone and an opposing stem portion thereof extending from the airstone. A T-shaped connector includes a tubular
4186093 Bottom aquarium filter January 29, 1980
A bottom aquarium filter for an aquarium tank which includes a container having an inlet compartment which can receive contaminated water from the tank, and a filtration compartment which converts the contaminated water into decontaminated water. The filtration compartment contains a mas
4185743 Artificial aquarium plant, anchor and container therefor January 29, 1980
An artificial aquarium plant which includes an anchor in the shape of a narrow, elongated trough having a generally V-shaped cross section. The ends of the anchor are diverging downwardly to form scoops at the opposing ends. Transverse connecting walls define storage cells therebetween t
4148730 Undergravel aquarium filter April 10, 1979
An undergravel aquarium filter having a housing assembly which can be positioned on an aquarium tank floor underneath the gravel bed and forms a water compartment between the housing and the floor. The housing assembly includes separable inner and outer sections in fluid flow communicati
4099544 Vent valve of an air pump July 11, 1978
A vent valve of an air pump for charging air into a fish bowl which comprises a separator wall having an insertion vent hole, a valve body made of a silicone rubber and consisting of a disc-shaped tongue section having a semi-circular portion of a small diameter for closing said inse










 
 
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