Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7320291 | Multi-purpose, plastic molded, sit-on-top kayak A plastic molded, sit-on-top kayak of unique size and shape is disclosed with various components which provide multi-purpose usage. The kayak is especially useful for multi-purposes such as sailing kayak surfing, scuba diving, paddling, touring and electric motorize... | 01/22/2008 |
| 7234209 | Mounting structure and mounting method for vehicle interior parts A clip engages an assist grip with an engaging portion of the clip engaged with a clip insertion hole of an attachment part. The assist grip is mounted to a body panel by engaging a first locking pawl of the clip with a rear surface of the body panel, and engaging a... | 06/26/2007 |
| 7143540 | Fish handling system for big game tube fishing A Fish Handling System For Big Game Tube Fishing is a single unit comprised of both a landing net and raised tabletop/inch incremented measuring board supported by a platform mounted atop two pontoons. Landing net access is obtained by lifting the hinged table/measu... | 12/05/2006 |
| 7037149 | Pedal powered catamaran A pedal powered catamaran has a pair of pontoons connected by a cross platform whereat an operator sits and rotates a pair of pedals which power the catamaran via a drive mechanism, the drive mechanism allowing the operator to gain mechanical advantage. One or both ... | 05/02/2006 |
| 6931678 | Water-swung hammock A water-swung hammock includes a floatable body for supporting a main body frame including at least one leg support for securing the main body frame to the floatable body. A staging platform may be coupled to the main body frame and capable of supporting a user. A s... | 08/23/2005 |
| 6598552 | Pontoon having a cross section with a non-uniform diameter and boat having same A pontoon includes an elongated body of non-uniform diameter. The body is dimensioned and configured to provide a non-uniform buoyant force to a boat along at least a majority of a length of a boat. Also provided is a pontoon boat including pontoons as de... | 07/29/2003 |
| 5888024 | Marine dock and flotation tank A floating dock comprising a pair of flotation tanks arranged in parallel side-by-side relation, a plurality of transverse, equispaced double-saddle brackets having a pair of spaced-apart saddles each adapted to receive a flotation tank straddling said ta... | 03/30/1999 |
| 5707724 | Fractal tube reinforcement Fractal hollow tube reinforced structural members are presented having a maximum strength-to-weight ratio and a wall density less than 1/2 that of water, which are versatile, practical and economical for use in any kind of construction. The strength is ma... | 01/13/1998 |
| 5238231 | Shock-absorbing units interconnectable to form shock-absorbing structures A mono-air-cell body made of a flexible elastic material and having a hollow interior and no less than one connecting tube for connecting different mono-air-cell bodies together one after another, for making up a shock-absorbing cushion. Each mono-air-cel... | 08/24/1993 |
| 5226184 | Floatable wave subduing blanket A floatable wave subduing blanket made from cellular low density polyethylene in a rectangular shape having a plurality of cylindrical inflatable floats detachably fastened to the four sides thereof. The cylindrical inflatable floats subdue water waves as... | 07/13/1993 |
| 5062817 | Boomstick A boomstick for use in log rafts is made of a hollow sheet pipe and therefore has a far longer life than conventional boomsticks made of wood. The boomstick is flexibly joined with other boomsticks and comprises a hollow steel pipe with an outside diamete... | 11/05/1991 |
| 5061215 | River raft A river raft comprising a first solid pontoon having a hollow interior and a second solid pontoon also having a hollow interior. The first and second pontoons are connected together in a manner so as to define a central portion between the pontoons. The c... | 10/29/1991 |
| 5013270 | River raft A raft comprising a first pontoon, a second pontoon, a framework detachably connected to the first and second pontoons and positioned on the top surface of the first and second pontoons, and a floor connected to the framework so as to define a surface ext... | 05/07/1991 |
| 4487588 | Submersible raft for the cultivation of plant life A submersible raft is disclosed for the cultivation of plant life such as seagrasses or the like. The submersible raft includes a first and a second longitudinal member of tubular configuration. The first and the second longitudinal members each have a fi... | 12/11/1984 |
| 4119052 | Semi-submersible vessel A semi-submersible vessel comprising at least one hollow toroidal element adapted to float with its plane upright having an exposed upper portion carrying a working platform. The toroidal element preferably is formed by describing a circular or elliptical... | 10/10/1978 |
| 4022187 | Floating solar heater for swimming pools A solar heating apparatus is disclosed herein useful as a swimming pool cover whereby the sun's rays can penetrate the apparatus and heat the water therebeneath. The apparatus includes a plurality of individual and separate units of a predetermined geomet... | 05/10/1977 |
| 3953904 | Design and construction of hulls This invention relates to a hull construction more particularly for marine craft provided with power propulsion. The hull includes at least one layer of tube-like members which extend longitudinally of the hull and are interconnected to form an integral s... | 05/04/1976 |
