Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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 |
| 7319201 | Waterproof/dustproof structure A simple, inexpensive waterproof/dustproof structure for a movable mechanism such as a machine tool apparatus or the like, providing a liquid reservoir formed between the inner wall of a stationary member and the outer wall of a movable member at a portion equivalen... | 01/15/2008 |
| 7133726 | Thermal cycler for PCR An instrument for PCR comprising an assembly, a heated cover, and a computer. The assembly can include a sample block, Peltier devices, and a heat sink, clamped together. The sample block temperature can be changed by controlling the Peltier devices with the compute... | 11/07/2006 |
| 7124906 | Apparatus and method for protecting floating roof tanks from the effects of lightning strikes An apparatus and method for protecting a floating roof tank from the effects of a lightning strike are disclosed. In one aspect, the apparatus comprises an electrically conductive bonding strap in electrical communication with an inner tank wall and the floating roo... | 10/24/2006 |
| 6354488 | Secondary seal for floating roof storage tank A low profile secondary seal has a tube positioned above a primary seal that utilizes a shoe plate. The tube is connected to the floating roof. A tip seal adjacent the shell of the tank is connected to the shoe plate by a spacer. In use, the tube bears on... | 03/12/2002 |
| 6230920 | Trash receptacle lid securing device A garbage or trash receptacle lid securing device for securing a lid to a garbage or trash receptacle. The device includes an elongated receptacle band formed of flexible pliable material having a length sufficient for circumferential engagement around an... | 05/15/2001 |
| 5004118 | Container cover A container cover provides a removable cover for placement on the surface of the liquid contents of a container, thereby sealing the liquid contents from the air-filled void of the container. The device includes a disc portion of a size and shape to adequ... | 04/02/1991 |
| 4963499 | Method for the calorimetry of chemical processes A calorimeter for measuring the thermodynamic and kinetic characteristics of chemical reactions, microbial fermentations, and other processes of industrial importance is described. The present invention also relates to a method of operation of this appara... | 10/16/1990 |
| 4842160 | Floating covering for liquid storage tank A floating covering on the liquid content of a storage tank. The circumferential edge of the covering has an elastic annular body provided with a gas-tight annular chamber and an annular body of foam material. Pressure control means communicates with the ... | 06/27/1989 |
| 4749098 | File card container A file card container is disclosed which includes a hollow base having an open top and front and rear portions. A cover is provided for enclosing the open top of the base. A first pivot interconnection pivotally connects the cover to the rear portion of t... | 06/07/1988 |
| 4413747 | Floating lid for a liquid storage tank A lid is described for floating on the surface of a liquid in a storage tank. The lid spans the tank interior and includes an inflatable peripheral seal arrangement selectively operable to seal the liquid within the tank upon inflation and, on deflation, ... | 11/08/1983 |
| 4401306 | Floating roof tank seal A seal arrangement is provided in a floating roof type tank for slidably sealing between the roof and the tank walls. The seal comprises an expansible tube carrying a lip with the latter extending angularly with respect to the tank walls so that upon infl... | 08/30/1983 |
| 4291803 | Protective end cap A package assembly includes a plurality of side-by-side similar open ended tubular articles, the openings at each end being closed by a common end member formed of a unitary blank. Each end member includes tongues projecting into respective articles, each... | 09/29/1981 |
| 4254887 | Storage tank Liquid storage tank containing a collapsible bag of flexible impervious sheet material supported by a collar within the tank which floats on the stored liquid and moves with the liquid thereby dividing the interior of the shell into an air and a liquid sp... | 03/10/1981 |
| 4173291 | Floating roof seal A seal for use in a floating roof storage tank. The seal closes the annular space defined between the floating roof and the wall of the storage tank. The seal includes a single, unitary length of pliable material which is folded about the longitudinal axi... | 11/06/1979 |
| 4139117 | Floating cover assembly A floating cover assembly encompassing in a first condition a method and apparatus for tensioning a floating cover for a liquid storage reservoir wherein the surface level of the stored liquid varies and in a second condition, a method and apparatus for m... | 02/13/1979 |
| 4099644 | Low emission multiple sealing system for floating roof tanks A low emission multiple sealing system for a floating roof liquid hydrocarbon storage tank is provided. The sealing system utilizes a double sealing arrangement in addition to, in a preferred embodiment, a conventional weather seal. The double sealing arr... | 07/11/1978 |
| 4079856 | Storage tank seal Liquid storage tank uses a collapsible bag of impermeable material which floats on the stored liquid and moves with the liquid, thus giving reduced vapor pressure above the liquid. In use, the collapsible bag has a tapered form so as to reduce the possibi... | 03/21/1978 |
| 4014454 | Floating roofs for liquid storage tanks The invention comprises a liquid storage tank having a floating roof of the type in which the roof rises and falls with changes in the level of the liquid and a seal provided between the edge of the roof and the inner wall of the tank to prevent contamina... | 03/29/1977 |
