Inventor
TISDALE PATRICK R
US18 patents
⚠️ This page may combine multiple inventors who share the name “TISDALE PATRICK R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL HELICOPTER TEXTRON INC
7 patentsUS4427340AJan 24, 1984
Soft inplane bearingless helicopter rotor
BELL HELICOPTER TEXTRON INC99 citations94
US8038539B2Oct 18, 2011
Constant-velocity joint with torque-combining differential
BELL HELICOPTER TEXTRON INC23 citations92
US5358381AOct 25, 1994
Yoke for helicopter rotor systems
BELL HELICOPTER TEXTRON INC45 citations89
US7665969B2Feb 23, 2010
Assembly for providing flexure to blade system
BELL HELICOPTER TEXTRON INC26 citations86
US6708921B2Mar 23, 2004
Composite flapping flexure
BELL HELICOPTER TEXTRON INC21 citations83
US8047466B2Nov 1, 2011
Yoke with notched arm roots
BELL HELICOPTER TEXTRON INC3 citations61
US10669021B2Jun 2, 2020
Method of optimizing and customizing rotor blade structural properties by tailoring large cell composite core and a rotor blade incorporating the same
BELL HELICOPTER TEXTRON INC0 citations40
STAMPS FRANK B
5 patentsUS8956117B2Feb 17, 2015
Stiff-in-plane rotor configuration
STAMPS FRANK B12 citations83
US8444382B2May 21, 2013
Rotor hub for use with high-inertia blades
STAMPS FRANK B17 citations83
US8287237B2Oct 16, 2012
Step-over blade-pitch control system
STAMPS FRANK B9 citations82
US9352830B2May 31, 2016
Aircraft rotor with discrete flap hinge
STAMPS FRANK B2 citations61
US8430757B2Apr 30, 2013
Constant-velocity joint with torque-combining differential
STAMPS FRANK B0 citations52
TEXTRON INNOVATIONS INC
4 patentsUS7845909B2Dec 7, 2010
Assembly for providing flexure to blade system
TEXTRON INNOVATIONS INC19 citations89
US8360727B2Jan 29, 2013
Yoke and bearing fitting assembly for rotors
TEXTRON INNOVATIONS INC11 citations83
US7867096B2Jan 11, 2011
Joint for tiltrotor hubs
TEXTRON INNOVATIONS INC4 citations60
US9878782B2Jan 30, 2018
Stiff-in-plane rotor configuration
TEXTRON INNOVATIONS INC0 citations51