Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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 |
| 7475651 | Structural section A structural element includes an internal rib and mounting structure having end ribs joined by rails to a plurality of intermediate ribs. A cylindrical skin positioned about the cylindrical rib and mounting structure allows the structure to slide in and out of the s... | 01/13/2009 |
| 7096814 | Variable buoyancy device The method of constructing a hull for ocean profiling or gliding vehicles which reduce the energy required to make vertical excursions. Composite materials are used in constructing the hull, specifically a fiber reinforced matrix, wherein the choice of the fiber mat... | 08/29/2006 |
| 7063038 | Rowing seat The present invention provides a rowing seat for use in a rowboat. The seat includes a chest and abdomen support designed to provide support and leverage for rowers of rearward facing rowboats. The seat includes a clamp so that it may be removably secured to a rowbo... | 06/20/2006 |
| 5727496 | Transport vehicle hull A transport vessel hull is provided for withstanding great pressure differential between the environments inside and outside the hull, and includes an enclosed hexahedral housing having a substantially diamond-shaped cross section with a long diagonal ori... | 03/17/1998 |
| 5462003 | Minimum displacement submarine arrangement A submarine arrangement comprising a double hull construction forward having a wasp waist section minimizes ship displacement and permits storage of weapons in the wasp waist section.... | 10/31/1995 |
| 5249997 | Composite multisection buoyant structure An underwater, high strength lightweight buoyant structure fabricated of individual segments which are adhesively bonded together. Each segment includes an outer wall which faces the ambient medium, an inner wall displaced from the outer wall and a plural... | 10/05/1993 |
| 4928614 | Submersible observation vessel A submersible observation vessel having a transparent acrylic hull. The hull comprises a plurality of transparent acrylic cylinders, a plurality of seals to prevent leakage between the cylinders of the hull, a front hatch hinged on the first seal, and a b... | 05/29/1990 |
| 4921125 | Support assembly A support assembly (1,11,31) for mounting within a vessel (3) which may be subjected to an inwardly acting pressure differential, comprises a support member (2,12) which is in contact with an internal surface, of the vessel so as to define a recess (4,14)... | 05/01/1990 |
| 4282823 | Underwater hull or tank A structure for an underwater hull or tank which is required to withstand a high external pressure due to use at great immersion depths. The hull or tank is composed of one or more toric components formed of metal, which may be filled with a pressure-resi... | 08/11/1981 |
