SCHONSTEDT INSTRUMENT COMPANY
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 16, 2004 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 665 Total Citation Count
- Jan 11, 1978 Earliest Filing
- 9 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4839623 Magnetic core blanks of magnetically permeable sheet materialExpiredFeb 08, 88Jun 13, 89[H01F]
4818944 Magnetic locating and tracing system and method using dual-antenna transmitter to distinguish between concealed adjacent objectsExpiredMay 06, 87Apr 04, 89[G01R, G01V]
4747207 Manufacture of magnetic cores from blanks of magnetically permeable sheet materialExpiredDec 01, 86May 31, 88[H01F]
4639674 Apparatus and method employing extraneous field compensation for locating current-carrying objectsExpiredApr 11, 83Jan 27, 87[G01R, G01V]
4590425 Magnetic detector apparatus with excitation conductors connected in series via sensor housingExpiredMar 21, 85May 20, 86[H01R, G01R]
4539522 Magnetic detector apparatus with liquid-supported, conductive, sensor-support tubeExpiredJun 23, 82Sep 03, 85[G01R, G01V]
4536710 Magnetic detector instrument with board-mounted sensor assemblyExpiredAug 10, 82Aug 20, 85[G01R, H01F, H05K]
4388592 Multiaxis magnetometer apparatus with orthogonally disposed rectangular housings for mounting separate sensor assembliesExpiredJun 24, 80Jun 14, 83[G01R]
Top Inventors for This Owner
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