RR

Richard P. Ryan

General Motors: 5 patents #3,082 of 18,328Top 20%
AT Agilent Technologies: 2 patents #1,067 of 3,411Top 35%
HP HP: 2 patents #2,312 of 7,018Top 35%
Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
DC Donaldson Company: 1 patents #454 of 695Top 70%
Overall (All Time): #355,682 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7310504 IF frequency response characterization employing overlapping frequency bands Raymond A. Birgenheier 2007-12-18
6587671 RF test set with concurrent measurement architecture Kerwin D. Kanago, David Platt, James Summers, Melvin D. Humpherys, Matthew A. Johnson 2003-07-01
6581502 Miter box 2003-06-24
6155335 Vehicle fan shroud and component cooling module James Alan Acre, Daniel P. McCarthy, Richard A. Rose 2000-12-05
5509199 Method of making a dual radiator and condenser assembly Henry Earl Beamer, Prasad S. Kadle, John P. Papin 1996-04-23
5400590 Filter cartridge arrangement Wayne M. Wagner, Bruce Hoppenstedt, Edward A. Steinbrueck, Daniel T. Risch 1995-03-28
5289873 Heat exchanger sideplate interlocked with header Gary A. Halstead, Glenn W. Shaffer, Shrikant Mukund Joshi 1994-03-01
5226490 Extruded tank pocket design for separator Gary A. Halstead, David M. Smith 1993-07-13
5185925 Method of manufacturing a tube for a heat exchanger Gary A. Halstead, David M. Smith, Shrikant Mukund Joshi 1993-02-16
5187719 Method and apparatus for measuring modulation accuracy Raymond A. Birgenheier 1993-02-16
5096248 Bundling handle 1992-03-17
5062476 Heat exchanger with an extruded tank Glenn W. Shaffer, Gary A. Halstead, David M. Smith, Shrikant Mukund Joshi 1991-11-05
5001724 Method and apparatus for measuring phase accuracy and amplitude profile of a continuous-phase-modulated signal Raymond A. Birgenheier 1991-03-19
4824382 Adapter for a welder 1989-04-25