Ted L. Teach
22Patents
17h-index
13Co-inventors
74Inventor score
Filing activity: Mar 12, 1975 → Apr 1, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5334987A | Agricultural aircraft control system using the global positioning system | Physics | 145 | Expired |
| US5375663A | Earthmoving apparatus and method for grading land providing continuous resurveying | Emerging Cross-Sectional Technologies | 127 | Expired |
| US4830489A | Three dimensional laser beam survey system | Physics | 88 | Expired |
| US4888890A | Laser control of excavating machine digging depth | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4679937A | Self leveling transmitter for laser alignment systems | Physics | 53 | Expired |
| US4225226A | Laser guidance system for crop spraying aircraft | Physics | 47 | Expired |
| US3953145A | Laser beam control system for earthworking or similar machines | Fixed Constructions | 47 | Expired |
| US4129224A | Automatic control of backhoe digging depth | Fixed Constructions | 41 | Expired |
| US4050171A | Depth control for endless chain type trencher | Fixed Constructions | 38 | Expired |
| US3997071A | Method and apparatus for indicating effective digging depth of a backhoe | Fixed Constructions | 37 | Expired |
| US4767208A | Self leveling transmitter for laser alignment systems | Physics | 33 | Expired |
| US4034490A | Automatic depth control for endless chain type trencher | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4836669A | Apparatus and method for projection of reference planes of light | Physics | 26 | Expired |
| US4662707A | Lighthouse structure and compensating lens in reference laser beam projecting apparatus | Physics | 23 | Expired |
| US4081919A | Backhoe bucket | Fixed Constructions | 22 | Expired |
| US4526201A | Four-way valve with internal pilot | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5095629A | Laser beam target | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4770480A | Apparatus and method for providing multiple reference laser beams | Physics | 10 | Expired |
| US4629321A | Grade setting and calibration arrangement for laser beam projection device | Physics | 10 | Expired |
| US4028822A | Manually operable depth control for trenchers | Fixed Constructions | 6 | Expired |
| US4786178A | Apparatus and method for detecting the position and orientation of a reference beam of light | Physics | 4 | Expired |
| US4654856A | Laser beam projection device and arrangement for mounting a laser plasma tube therein | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.