FM

Francis H. McArdle

TB The Boeing: 10 patents #1,019 of 15,756Top 7%
📍 Norristown, PA: #55 of 488 inventorsTop 15%
🗺 Pennsylvania: #8,192 of 74,527 inventorsTop 15%
Overall (All Time): #525,865 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6050778 Semi-articulated rotor system Thomas W. Griffith, Sr., George H. B. Thompson, John H. Peck, Helene G. McArdle 2000-04-18
5620305 Hub for rotary wing aircraft 1997-04-15
5478204 Ducted fan and pitch controls for tail rotor of rotary wing aircraft Rene A. Desjardins 1995-12-26
5415525 Ducted tail rotor providing torque reaction and yaw attitude control Rene A. Desjardins 1995-05-16
4868962 Method of fabricating a helicopter rotor system Earl Schneider 1989-09-26
4795310 Helicopter rotor system and method Earl Schneider, Richard T. DeRosa 1989-01-03
4542567 Method of fabricating a helicopter rotor hub Earl Schneider 1985-09-24
4543040 Helicopter rotor system Earl Schneider 1985-09-24
4534704 Helicopter rotor control system with integrated hub 1985-08-13
4242048 Semi-articulated flexstrap 1980-12-30