ACTIVE SIGNAL TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 2238
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9390875 Electromagnetic opposing field actuatorsMay 29, 14Jul 12, 16[H02K, H01F, H01H]
9078571 High sensitivity noise immune stethoscopeAug 08, 12Jul 14, 15[A61B]
8265291 High sensitivity noise immune stethoscopeNov 15, 06Sep 11, 12[A61B]
7697263 High-temperature dielectric materials and capacitors made therefromMar 27, 07Apr 13, 10[H01G]
6751954 Compact hybrid actuatorNov 04, 02Jun 22, 04[F16D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6887199 Brain assessment monitorExpiredMar 12, 02May 03, 05[A61B]
6491647 Physiological sensing deviceExpiredSep 23, 99Dec 10, 02[A61B]
5919144 Apparatus and method for measurement of intracranial pressure with lower frequencies of acoustic signalExpiredMay 06, 97Jul 06, 99[A61B]

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