JF

John H. Francis

FM Frederick Manufacturing: 5 patents #1 of 5Top 20%
LL Lucas Industries Public Limited: 2 patents #137 of 571Top 25%
LL Lucas Industries Limited: 2 patents #168 of 499Top 35%
Overall (All Time): #593,107 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4706635 Fuel pumping apparatus Francis R. Draper, Alan P. Ogburn 1987-11-17
4682517 Variable speed drive--apparatus and method of fabricating the apparatus Roy E. Van Derlinden 1987-07-28
4644810 Conical drive Roy E. VanDerLinden 1987-02-24
4599910 Speed reducing and torque transmitting mechanism 1986-07-15
4558591 Engine position transducer means Nigel A. Deller, Clive I. Perkins 1985-12-17
4515028 Multi-speed drive Roy E. VanDerLinden 1985-05-07
4459840 Rolling wobble press 1984-07-17
4453124 Linear inductive transducers John P. Vernon, John Moore 1984-06-05
4334207 Linear displacement transducer Colin S. Bill, Charles P. Cockshott 1982-06-08