Inventor
KOHLHEPP FRED W
US7 patents
⚠️ This page may combine multiple inventors who share the name “KOHLHEPP FRED W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
3 patentsUS5351913AOct 4, 1994
Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors
UNITED TECHNOLOGIES CORP91 citations94
US5226350AJul 13, 1993
Drive train assembly for a rotor assembly having ducted, coaxial counter-rotating rotors
UNITED TECHNOLOGIES CORP62 citations94
US5277380AJan 11, 1994
Toroidal fuselage structure for unmanned aerial vehicles having ducted, coaxial, counter-rotating rotors
UNITED TECHNOLOGIES CORP69 citations92
SIKORSKY AIRCRAFT CORP
3 patentsUS6295006B1Sep 25, 2001
Flap angle measurement system for an active rotor control system
SIKORSKY AIRCRAFT CORP51 citations91
US6200096B1Mar 13, 2001
Actuation system for an active rotor control system
SIKORSKY AIRCRAFT CORP29 citations91
US6196796B1Mar 6, 2001
High torque actuation system for an active rotor control system
SIKORSKY AIRCRAFT CORP35 citations87