Kai Technologies, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6189611 Radio frequency steam flood and gas drive for enhanced subterranean recoveryMar 24, 99Feb 20, 01[E21B]
6181970 Microwave devices for medical hyperthermia, thermotherapy and diagnosisFeb 09, 99Jan 30, 01[A61F]
5199488 Electromagnetic method and apparatus for the treatment of radioactive material-containing volumesAug 16, 91Apr 06, 93[E21B]
5152341 Electromagnetic method and apparatus for the decontamination of hazardous material-containing volumesMar 04, 91Oct 06, 92[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7055599 Electromagnetic coal seam gas recovery systemExpiredDec 18, 01Jun 06, 06[E21B]
6440312 Extracting oil and water from drill cuttings using RF energyExpiredMay 02, 00Aug 27, 02[C02F, E21B, B01D]
6413399 Soil heating with a rotating electromagnetic fieldExpiredMay 19, 00Jul 02, 02[B01D]
6346693 Selective heating of agricultural productsExpiredDec 14, 99Feb 12, 02[H05B, G01N, F26B]
6275738 Microwave devices for medical hyperthermia, thermotherapy and diagnosisExpiredAug 19, 99Aug 14, 01[A61F]
6233490 Microwave antennas for medical hyperthermia, thermotherapy and diagnosisExpiredFeb 09, 99May 15, 01[A61N]
6097985 Microwave systems for medical hyperthermia, thermotherapy and diagnosisExpiredFeb 09, 99Aug 01, 00[A61F, A61N]
5065819 Electromagnetic apparatus and method for in situ heating and recovery of organic and inorganic materialsExpiredMar 09, 90Nov 19, 91[E21B]

Top Inventors for This Owner

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