Sangamo Weston, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31668 Load survey recorder for measuring electrical parametersAug 12, 76Sep 11, 84[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4926131 Triangle waveform generator for pulse-width amplitude multiplierExpiredJun 25, 87May 15, 90[H03K, H03B]
4924412 Integrated poly-phase power meterExpiredJun 25, 87May 08, 90[G01R]
4906995 Data compression apparatus and method for data recorderExpiredDec 12, 86Mar 06, 90[H03M]
4879558 Data compression apparatus and method for data recorder with waveform envelope displayExpiredJan 22, 87Nov 07, 89[H03M]
4847554 Current measuring and magnetic core compensating apparatus and methodExpiredMar 04, 87Jul 11, 89[G01R]
4827123 Direction sensitive optical shaft encoderExpiredNov 07, 88May 02, 89[G01D]
4804938 Distribution energy management systemExpiredOct 24, 86Feb 14, 89[H04M]
4791362 Modularized solid state registerExpiredApr 11, 86Dec 13, 88[G01R]
4789837 Switched capacitor mixer/multiplierExpiredApr 22, 87Dec 06, 88[H03K, H03C, G06G]
D294565 Voltage transformerExpiredNov 10, 86Mar 08, 88[]
D293431 Current transformerExpiredNov 10, 86Dec 29, 87[]
4713198 High temperature plastic scintillatorsExpiredApr 11, 85Dec 15, 87[C09K]
4710675 Solid dynode structure for photomultiplierExpiredApr 29, 85Dec 01, 87[H01J]
4698522 Structure for Hall device for compensation of first and second order voltage offsetsExpiredNov 21, 86Oct 06, 87[H03K, H01L, G01R, H03H]
4697180 System for accumulating verifiable energy demand data from remote electricity metersExpiredApr 09, 86Sep 29, 87[G08B]
4697181 System for accumulating verifiable energy demand data from remote electricity metersExpiredApr 09, 86Sep 29, 87[G08B]
4697182 Method of and system for accumulating verifiable energy demand data from remote electricity metersExpiredApr 09, 86Sep 29, 87[G08C]
4695742 Charge balance voltage-to-frequency converter utilizing CMOS circuitryExpiredJan 20, 87Sep 22, 87[H03L, H03K]
4686460 Solid state electricity meter displayExpiredApr 11, 86Aug 11, 87[G01R]
4670737 Method of initializing an optical encoderExpiredSep 13, 84Jun 02, 87[H03M]

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