John T. Feddema

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Albuquerque, NM, US

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Patents Grantslast 30 patents

Information Patent Grant
Control system and method for payload control in mobile platform cr...
- Patent number 6,496,765
- Issue date Dec 17, 2002
- Sandia Corporation
- Rush D. Robinett
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Pendulation control system and method for rotary boom cranes
- Patent number 6,442,439
- Issue date Aug 27, 2002
- Sandia Corporation
- Rush D. Robinett
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Steerable vertical to horizontal energy transducer for mobile robots
- Patent number 6,308,791
- Issue date Oct 30, 2001
- Sandia Corporation
- Barry L. Spletzer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hopping robot
- Patent number 6,247,546
- Issue date Jun 19, 2001
- Sandia Corporation
- Barry L. Spletzer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Sway control method and system for rotary cranes
- Patent number 5,908,122
- Issue date Jun 1, 1999
- Sandia Corporation
- Rush D. Robinett
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Operator control systems and methods for swing-free gantry-style cr...
- Patent number 5,785,191
- Issue date Jul 28, 1998
- Sandia Corporation
- John T. Feddema
- B66 - HOISTING LIFTING HAULING