P

Inventor

FLETCHER JAMES C ADMINISTRATOR

214 patents

Patents

50 patents
US4088999AMay 9, 1978

RF beam center location method and apparatus for power transmission system

NASA289 citations97
US4372110AFeb 8, 1983

Noise suppressor for turbo fan jet engines

NASA65 citations96
US4149521AApr 17, 1979

Solar energy collection system

NASA43 citations96
US4111184ASep 5, 1978

Sun tracking solar energy collector

NASA100 citations96
US4099799AJul 11, 1978

Cantilever mounted resilient pad gas bearing

NASA53 citations96
US4100331AJul 11, 1978

Dual membrane, hollow fiber fuel cell and method of operating same

NASA69 citations95
US4051834AOct 4, 1977

Portable, linear-focused solar thermal energy collecting system

NASA60 citations95
US4046462ASep 6, 1977

Three-dimensional tracking solar energy concentrator and method for making same

NASA55 citations95
US4044753AAug 30, 1977

Solar energy collection system

NASA74 citations95
US3990860ANov 9, 1976

High temperature oxidation resistant cermet compositions

NASA58 citations95
US3949404AApr 6, 1976

Highly efficient antenna system using a corrugated horn and scanning hyperbolic reflector

NASA145 citations95
US4168706ASep 25, 1979

Portable breathing system

NASA63 citations94
US4093771AJun 6, 1978

Reaction cured glass and glass coatings

NASA57 citations94
US4088926AMay 9, 1978

Plasma cleaning device

NASA92 citations94
US4079268AMar 14, 1978

Thin conformal antenna array for microwave power conversion

NASA85 citations94
US3988716AOct 26, 1976

Computer interface system

NASA72 citations94
US3978287AAug 31, 1976

Real time analysis of voiced sounds

NASA65 citations94
US3971364AJul 27, 1976

Catheter tip force transducer for cardiovascular research

NASA82 citations94
US3957044AMay 18, 1976

Self-contained breathing apparatus

NASA62 citations94
US4132130AJan 2, 1979

Safety flywheel

NASA40 citations93
US4068763AJan 17, 1978

Wrist joint assembly

NASA72 citations93
US4137365AJan 30, 1979

Oxygen post-treatment of plastic surfaces coated with plasma polymerized silicon-containing monomers

NASA150 citations92
US4101891AJul 18, 1978

Surface roughness measuring system

NASA47 citations92
US4091798AMay 30, 1978

Non-tracking solar energy collector system

NASA44 citations92
US4064566ADec 27, 1977

Method of adhering bone to a rigid substrate using a graphite fiber reinforced bone cement

NASA147 citations92
US3984685AOct 5, 1976

Wind measurement system

NASA73 citations92
US3972038AJul 27, 1976

Accelerometer telemetry system

NASA165 citations92
US4119972AOct 10, 1978

Phased array antenna control

NASA33 citations91
US4103619AAug 1, 1978

Electroexplosive device

NASA75 citations91
US4101961AJul 18, 1978

Contour detector and data acquisition system for the left ventricular outline

NASA67 citations91
US4053231AOct 11, 1977

Interferometer mirror tilt correcting system

NASA50 citations91
US4052666AOct 4, 1977

Remote sensing of vegetation and soil using microwave ellipsometry

NASA47 citations91
US4049930ASep 20, 1977

Hearing aid malfunction detection system

NASA63 citations91
US4039489AAug 2, 1977

Oil and fat absorbing polymers

NASA53 citations91
US4003257AJan 18, 1977

Analysis of volatile organic compounds

NASA104 citations91
US3995621ADec 7, 1976

Liquid cooled brassiere and method of diagnosing malignant tumors therewith

NASA125 citations91
US3988677AOct 26, 1976

Space communication system for compressed data with a concatenated Reed-Solomon-Viterbi coding channel

NASA75 citations91
US3984256AOct 5, 1976

Photovoltaic cell array

NASA73 citations91
US3964902AJun 22, 1976

Method of forming a wick for a heat pipe

NASA63 citations91
US4112875ASep 12, 1978

Hydrogen-fueled engine

NASA92 citations90
US4103712AAug 1, 1978

Positive isolation disconnect

NASA49 citations90
US4067653AJan 10, 1978

Differential optoacoustic absorption detector

NASA50 citations90
US4045359AAug 30, 1977

Apparatus for photon excited catalysis

NASA33 citations90
US4035065AJul 12, 1977

Lightweight reflector assembly

NASA76 citations90
US4033334AJul 5, 1977

Snap-in compressible biomedical electrode

NASA71 citations90
US3984799AOct 5, 1976

DC-to-DC converters employing staggered-phase power switches with two-loop control

NASA36 citations90
US4132829AJan 2, 1979

Preparation of dielectric coatings of variable dielectric constant by plasma polymerization

NASA34 citations89
US4061561ADec 6, 1977

Automatic multiple-sample applicator and electrophoresis apparatus

NASA32 citations89
US4045795AAug 30, 1977

Charge-coupled device data processor for an airborne imaging radar system

NASA43 citations89
US3952083AApr 20, 1976

Silica reusable surface insulation

NASA38 citations89

Showing the top 50 of 214 patents by PatentIndex Score.