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

Icon_funbox Bizarre Patents

Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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.

 

Inventor: Paul H. Berdahl


Address: Oakland, CA
No. of patents: 3
Last patent issue date: 09/22/1998

NumberTitleIssue Date
5811180Pigments which reflect infrared radiation from fire
Conventional paints transmit or absorb most of the intense infrared (IR) radiation emitted by fire, causing them to contribute to the spread of fire. The present invention comprises a fire retardant paint additive that reflects the thermal IR radiation em...
09/22/1998
4628695Solid state radiative heat pump
A solid state radiative heat pump (10, 50, 70) operable at room temperature (300° K.) utilizes a semiconductor having a gap energy in the range of 0.03-0.25 eV and operated reversibly to produce an excess or deficit of charge carriers as compared to ther...
12/16/1986
4586350Selective radiative cooling with MgO and/or LiF layers
A material for a wavelength-selective radiative cooling system, the material comprising an infrared-reflective substrate coated with magnesium oxide and/or lithium fluoride in a polycrystalline form. The material is non-absorptive for short wavelengths, a...
05/06/1986
 
Sign InRegister
Username  
Password   
forgot password?