U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"During my service in the United States Congress, I took the initiative in creating the Internet."

Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.

Newsletter  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.

 

Class 136/223 - Having an evacuated space


Subclass of Class 136 - Batteries: thermoelectric and photoelectric
Definition: Apparatus which includes a sealed space which is at substantially
No. of patents: 8
Last issue date: 07/03/2001


NumberTitleIssue Date
6255579Method and apparatus for utilizing heat dissipated from an electrical device
Embedded electronics (102) are operated under normal operating conditions, with power being supplied to embedded electronics via a power source (205). Heat is generated via the normal operation of the embedded electronics (102), and a voltage (117) is gen...
07/03/2001
6084173Method and apparatus for the generation of charged carriers in semiconductor devices
A technique for enhancing the generation of carriers (ex. electrons and/or holes) in semiconductor devices such as photovoltaic cells and the like, receiving radiation from a heated surface, through the use of micron juxtaposition of the surface of the de...
07/04/2000
5949176Electron heat converter
A device that utilizes the difference in NEAF values between two plates to generate voltage is disclosed. The difference in NEAF values is created by shaping or varying the thickness of two plates to create a voltage differential which is available to dri...
09/07/1999
5712886Device for detecting and monitoring perforation of the bottom head of the vessel of a nuclear reactor
The detection device includes at least one thermocouple (10) arranged aligned with the bottom head of the vessel of the nuclear reactor, having a first branch (9) made of a first metallic material and at least one second branch (11) made of a second metal...
01/27/1998
4168716Solar-powered thermionic-photoelectric laser
A solar-powered thermionic-photoelectric current generator is disclosed employing a paraboloidal telescope for collecting and concentrating sunlight into a narrow beam which is incident upon a thorium-doped tungsten cathode target within an evacuated enve...
09/25/1979
3977909Solar heat energy conversion system
A self-sustaining solar energy conversion system for converting solar heat energy to electrical energy comprising a finite heat sink having a first heat exchange means and drive means disposed therein. The finite heat sink comprises an enclosure having a ...
08/31/1976
3957541Implantable thermoelectric generator having thermopile compression wires
Thermopile mounting comprising elongated thermoelectric elements with insulation therebetween arrayed into a thermopile block, electrical interconnections for said elements, a hot plate and a cold plate at each end of the thermopile and a plurality of ten...
05/18/1976
3945854Long-life thermoelectric generator
Thermoelectric long-lasting microgenerator which may be implanted in the human body, using a cylinder containing a radioactive isotope as a heat source and the human body as a cold source. The connection between the heat source and the thermoelectric elem...
03/23/1976
 
Sign InRegister
Username  
Password   
forgot password?