Assignee
SPAN INSTR INC
US·16 granted patents·307 citations·filing 1977–1996
Top patents by PatentIndex Score
16 records- 0192US4599902ACondition responsive apparatusSPAN INSTR INC·Filed 1984·Granted Jul 15, 1986·61 cites·16 claims
- 0271USD390111SInventory control collarSPAN INSTR INC·Filed 1996·Granted Feb 3, 1998·17 cites·1 claims
- 0371US4745811APressure monitoring apparatus having a Hall-effect detectorSPAN INSTR INC·Filed 1985·Granted May 24, 1988·29 cites·16 claims
- 0469US4270568ASensor with adjustable pressure responsive detection and controlSPAN INSTR INC·Filed 1979·Granted Jun 2, 1981·18 cites·6 claims
- 0567US5518951AMethod for making thin film piezoresistive sensorSPAN INSTR INC·Filed 1995·Granted May 21, 1996·35 cites·11 claims
- 0667US4173150ASensor with adjustable pressure responsive detection and controlSPAN INSTR INC·Filed 1977·Granted Nov 6, 1979·18 cites·39 claims
- 0764US5949049AInventory control probe and control module with docking stationSPAN INSTR INC·Filed 1996·Granted Sep 7, 1999·36 cites·21 claims
- 0857US5051729APressure responsive encoderSPAN INSTR INC·Filed 1988·Granted Sep 24, 1991·15 cites·14 claims
- 0953US5218991ARegulator flow controlSPAN INSTR INC·Filed 1992·Granted Jun 15, 1993·18 cites·11 claims
- 1050US5253669AControlling process gas flowSPAN INSTR INC·Filed 1992·Granted Oct 19, 1993·13 cites·15 claims
- 1150US4331179ARegulator/valve controllerSPAN INSTR INC·Filed 1980·Granted May 25, 1982·11 cites·12 claims
- 1249US4184375APressure instrument compensating bladderSPAN INSTR INC·Filed 1978·Granted Jan 22, 1980·8 cites·6 claims
- 1348US5056373AFlow responsive transmitter and indicatorSPAN INSTR INC·Filed 1989·Granted Oct 15, 1991·12 cites·3 claims
- 1440US5138155APressure gauge with fiber optic sensorSPAN INSTR INC·Filed 1991·Granted Aug 11, 1992·9 cites·9 claims
- 1540US4898036AFlow responsive transmitter and indicatorSPAN INSTR INC·Filed 1987·Granted Feb 6, 1990·7 cites·14 claims
- 1629USD390138SInventory control probeSPAN INSTR INC·Filed 1996·Granted Feb 3, 1998·0 cites·1 claims
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