Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6859956 | P-trap for plumbing drainage systems A P-trap device for plumbing drainage systems is shown. The device has a first tubing element having a pipe attachment bell at one end and a first coupler portion at the other end and a second tubing element having a pipe attachment bell at one end and a second coup... | 03/01/2005 |
| 6589440 | Waterless urinal with liquid seal, liquid seal and method of using liquid seal A waterless urinal employs a sealing liquid comprising 4-chloro-3-methylphenol in an amount effective to act as a biocide and a compound selected from the group consisting of (1) branched aliphatic alcohols with C12 to C24 carbon chain ... | 07/08/2003 |
| 6341618 | Plumbing stop valve and method of use A method for installing plumbing fixtures in a multi-story building having a waste stack includes a stop valve between the waste output of each fixture and the waste stack, the valve allowing the waste water to flow from the fixture toward the waste stack... | 01/29/2002 |
| 5941273 | Drain trap apparatus A trap apparatus associated with a drain comprising a fluid inlet, a first chamber, second chamber, a fluid outlet and a structure for retaining fluid. The fluid inlet is capable of accepting in flowing fluid. The first chamber member is associated with t... | 08/24/1999 |
| 5901731 | Reverse osmosis drain coupling and method of installing A reverse osmosis drain coupling and a method of installing it in an existing drain pipe. The drain coupling includes one or more extremities made of flexible, resilient material so that the material can be rolled or folded back upon itself to shorten the... | 05/11/1999 |
| 5379749 | Condensate trap for multi-poise furnace There is disclosed a furnace having an air flow path for heated air and combustion products that passes through a condensing heat exchanger. Condensate forming in regions of negative and positive pressure is separately conducted to a unitary condensate tr... | 01/10/1995 |
| 5309890 | Dual-sided condensate trap for furnace There is disclosed a furnace having an air flow path for heated air and combustion products that passes through a condensing heat exchanger. Condensate forming in regions of negative and positive pressure is separately conducted to a unitary condensate tr... | 05/10/1994 |
| 4842844 | Method of generating hydrogen Hydrogen gas is generated on demand by reacting hydrochloric acid (haloacid) and a pure metal by flowing the acid upwardly through a bed of metal particles held on a distributor plate within a sliding tray. The tray reciprocates in a receiving vessel. A p... | 06/27/1989 |
| 4800596 | Ventilated toilet A toilet has a toilet bowl and a flushing tank which accommodates a supply of flushing liquid for the bowl. The bowl, which discharges into a waste line, is connected to the flushing tank by a flushing pipe. A second pipe for evacuating odors from the bow... | 01/31/1989 |
| 4655242 | Water seal drum An improved water seal drum for gas comprising a vessel containing seal water, a gas introducing pipe extending downward from the upper part of the vessel, the lower end of the pipe opening beneath the water level, and a gas discharging pipe at the top of... | 04/07/1987 |
| 4263138 | Trap-type drain fitting A trap-type drain fitting is comprised of a base, an intermediate part, and an insert. The base has a lateral outlet connection and an outer wall having a base rim and an inner wall spaced radially inwardly from this outer wall. The intermediate part has ... | 04/21/1981 |
| 4254512 | Water trap A water trap for use in sinks and other drains, wherein two members which together form a water seal are adjustably and releasably secured together by a threaded connection. Means may be provided for handling water from two separate sources, wherein the t... | 03/10/1981 |
| 4248711 | Basement floor drain and integral trap A drain/trap to be installed in a basement flooring comprises an assembly cast in metal or molded from a corrosion-resistant synthetic resin includes an upwardly open housing of generally tubular outline, a secondary circuit leading through the bottom wal... | 02/03/1981 |
| 4198717 | Modular assembly for drain trap A trap to be installed in a wall leading to a drain comprises an assembly of interfitted modular units, molded or deep-drawn from corrosion-resistant synthetic resin, which include an upwardly open housing of rectangular outline, a conduit with a bottom i... | 04/22/1980 |
| 4074686 | Manually closable anti-backup trap A trap for a drain has a housing with a lateral exit port for water flowing in through an apertured lid and/or through a lateral entrance port. A tubular insert fitted to the sidewall with the exit port has a bottom inlet beneath the level of that port an... | 02/21/1978 |
