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Showing 1 to 20 of 24805 results

PATENT /PUB No. Country Patent Title Patent Owner Filing Date Issue/Pub Date Status
7898378 US Magnetic resonance device Sep 21, 2007 Mar 1, 2011 Expired
7237383 US Method and device for extracting water in a power plant Aug 10, 2004 Jul 3, 2007 Expired
4718431 US Surface coil with calibration substance for use in a nuclear magnetic resonance apparatus Oct 2, 1986 Jan 12, 1988 Expired
5909143 US CIRCUIT FOR EVALUATING AN INPUT SIGNAL Aug 19, 1997 Jun 1, 1999 Expired
4671862 US APROTIC, OXYGEN-FREE AND WATER-FREE ALUMINUM ORGANIC ELECTROLYTE Sep 11, 1986 Jun 9, 1987 Expired
4213672 US Light waveguide with a high tensile strength Jun 22, 1978 Jul 22, 1980 Expired
4508049 US Method and a device for the production of electrical components, in particular laminated capacitors Oct 22, 1979 Apr 2, 1985 Expired
4700018 US Method and circuit arrangement for the transmission of data signals between two control devices belonging to a loop system Aug 27, 1986 Oct 13, 1987 Expired
4766596 US Method and circuit arrangement for the transmission of data signals between control devices connected to one another via a loop system Aug 27, 1986 Aug 23, 1988 Expired
2002/0087,676 US System and method of charging for a servce produced in a communication network and corresponding application software and/or hardware Sep 26, 2001 Jul 4, 2002 Abandoned
4231692 US Drill comprised of hard metal for drilling contact holes in circuit boards and the like Sep 14, 1978 Nov 4, 1980 Expired
2005/0102,519 US Method for authentication of a user for a service offered via a communication system Sep 23, 2004 May 12, 2005 Abandoned
5265814 US Winding device for multiple-wire wrapping an object Sep 1, 1992 Nov 30, 1993 Expired
5307344 US Method for setting up virtual connections in packet switching networks Aug 28, 1992 Apr 26, 1994 Expired
4209743 US Circuit arrangement for measuring currents at high potential Aug 24, 1978 Jun 24, 1980 Expired
5967117 US Method for determining a rotational speed for an idling control of an internal combustion engine Sep 30, 1997 Oct 19, 1999 Expired
4712244 US Directional microphone arrangement Oct 14, 1986 Dec 8, 1987 Expired
6463914 US REGULATING MECHANISM FOR CONTROLLING INCREASING PRESSURE OF FUEL FOR A FUEL INJECTOR Aug 23, 2001 Oct 15, 2002 Expired
4216030 US Process for the production of a semiconductor component with at least two zones which form a pn-junction and possess differing conductivity types Dec 13, 1978 Aug 5, 1980 Expired
7154060 US Parcel dispatch manager system and method Oct 4, 2001 Dec 26, 2006 Expired

Showing 1 to 20 of 24805 results

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