| 7153094 |
Rotor system vibration absorber |
Ajay Sehgal, Michael R. Smith, Frank B. Stamps, Bryan Marshall |
2006-12-26 |
| 6764280 |
Multi-bladed tail rotor hub design for coriolis relief |
Ajay Sehgal, David A. Haynie, Joseph John Zierer, Eric Boyle |
2004-07-20 |
| 6616095 |
Coupled aircraft rotor system |
Frank B. Stamps, James L. Braswell, Jr., David A. Popelka, Richard Bennett, Thomas B. Settle, Jr. +1 more |
2003-09-09 |
| 5868351 |
Rotor blade stowing system |
Frank B. Stamps, Joe J. Zierer, Charles L. Baskin, Glenn Alan Shimek |
1999-02-09 |
| 5647726 |
Rotor system vibration absorber |
Ajay Sehgal, Mithat Yuce, Bryan Marshall |
1997-07-15 |
| 5358381 |
Yoke for helicopter rotor systems |
Timothy Kent Ledbetter, Ernest Powell, Madison K. Robinson, Ajay Sehgal, Patrick R. Tisdale |
1994-10-25 |
| 5074753 |
Rotor blade |
Ernst C. Schellhase, Madison K. Robinson |
1991-12-24 |
| 5031858 |
Apparatus and method for folding and locking rotor blades |
Ernst C. Schellhase, Dan Anastas, deceased, by Peggy Anastas, executrix, Paul E. Keefer, Joseph John Zierer +1 more |
1991-07-16 |
| 4427340 |
Soft inplane bearingless helicopter rotor |
Robert W. Metzger, William D. Neathery, Peter A. Reyes, Patrick R. Tisdale, Willem Broekhuizen |
1984-01-24 |
| 4306837 |
Bearingless tail rotor for helicopters |
Vas H. Brogdon, Richard E. Wheelis |
1981-12-22 |
| 4299540 |
Tail rotor blade |
Ronnie L. Martin |
1981-11-10 |
| 4257739 |
Soft inplane helicopter rotor |
David Snyder, Walter Gerd Oskar Sonneborn, Wesley L. Cresap |
1981-03-24 |
| 4252504 |
Helicopter blade folding system |
David Snyder |
1981-02-24 |