Inventor · disambiguated record
Ted L. Teach
Also filed as: TEACH TED L
22 granted patents·1,302 citations·filing 1975–1993
97Inventor score
Top patents by PatentIndex Score
22 records- 0196US5375663AEarthmoving apparatus and method for grading land providing continuous resurveyingSPECTRA PHYSICS LASERPLANE INC·Filed 1993·Granted Dec 27, 1994·190 cites·18 claims
- 0296US4129224AAutomatic control of backhoe digging depthLASERPLANE CORP·Filed 1977·Granted Dec 12, 1978·60 cites·6 claims
- 0396US4050171ADepth control for endless chain type trencherLASERPLANE CORP·Filed 1976·Granted Sep 27, 1977·63 cites·6 claims
- 0495US4830489AThree dimensional laser beam survey systemSPECTRA PHYSICS·Filed 1986·Granted May 16, 1989·123 cites·7 claims
- 0594US5334987AAgricultural aircraft control system using the global positioning systemSPECTRA PHYSICS LASERPLANE INC·Filed 1993·Granted Aug 2, 1994·201 cites·19 claims
- 0694US4225226ALaser guidance system for crop spraying aircraftSPECTRA PHYSICS·Filed 1978·Granted Sep 30, 1980·62 cites·4 claims
- 0794US3953145ALaser beam control system for earthworking or similar machinesLASERPLANE CORP·Filed 1975·Granted Apr 27, 1976·76 cites·6 claims
- 0893US4888890ALaser control of excavating machine digging depthSPECTRA PHYSICS·Filed 1988·Granted Dec 26, 1989·96 cites·34 claims
- 0993US3997071AMethod and apparatus for indicating effective digging depth of a backhoeLASERPLANE CORP·Filed 1975·Granted Dec 14, 1976·49 cites·2 claims
- 1090US4034490AAutomatic depth control for endless chain type trencherLASERPLANE CORP·Filed 1975·Granted Jul 12, 1977·42 cites·6 claims
- 1187US4679937ASelf leveling transmitter for laser alignment systemsSPECTRA PHYSICS·Filed 1985·Granted Jul 14, 1987·65 cites·12 claims
- 1285US4526201AFour-way valve with internal pilotSPECTRA PHYSICS·Filed 1982·Granted Jul 2, 1985·33 cites·4 claims
- 1384US4081919ABackhoe bucketLASERPLANE CORP·Filed 1977·Granted Apr 4, 1978·30 cites·2 claims
- 1480US4836669AApparatus and method for projection of reference planes of lightSPECTRA PHYSICS·Filed 1987·Granted Jun 6, 1989·42 cites·14 claims
- 1577US4767208ASelf leveling transmitter for laser alignment systemsSPECTRA PHYSICS·Filed 1987·Granted Aug 30, 1988·42 cites·20 claims
- 1676US5095629ALaser beam targetSPECTRA PHYSICS LASERPLANE INC·Filed 1991·Granted Mar 17, 1992·42 cites·24 claims
- 1775US4662707ALighthouse structure and compensating lens in reference laser beam projecting apparatusSPECTRA PHYSICS·Filed 1985·Granted May 5, 1987·37 cites·20 claims
- 1857US4629321AGrade setting and calibration arrangement for laser beam projection deviceSPECTRA PHYSICS·Filed 1985·Granted Dec 16, 1986·17 cites·18 claims
- 1956US4770480AApparatus and method for providing multiple reference laser beamsSPECTRA PHYSICS·Filed 1986·Granted Sep 13, 1988·15 cites·15 claims
- 2054US4028822AManually operable depth control for trenchersLASERPLANE CORP·Filed 1976·Granted Jun 14, 1977·11 cites·5 claims
- 2137US4786178AApparatus and method for detecting the position and orientation of a reference beam of lightSPECTRA PHYSICS·Filed 1986·Granted Nov 22, 1988·5 cites·16 claims
- 2225US4654856ALaser beam projection device and arrangement for mounting a laser plasma tube thereinSPECTRA PHYSICS·Filed 1985·Granted Mar 31, 1987·1 cites·17 claims
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