RF

Robert A. Van Fossen

JS Johnson Service: 3 patents #43 of 193Top 25%
RC Robertshaw Controls: 3 patents #82 of 302Top 30%
HC Hamilton Standard Controls: 1 patents #10 of 26Top 40%
🗺 Virginia: #4,439 of 34,511 inventorsTop 15%
Overall (All Time): #767,267 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5250768 Float switch with snap action member 1993-10-05
5091612 Magnetically actuated proximity flow switch 1992-02-25
5024294 Differential pressure transducer Scott L. Spence, Donald E. DeWitt 1991-06-18
4754920 Compact operator for gas control valves Jesse H. Turner 1988-07-05
4335750 Reversing valve construction and piston head assembly therefor and methods of making the same Werner Bauer 1982-06-22
4324273 Reversing valve construction and piston head assembly therefor and methods of making the same Werner Bauer 1982-04-13
4245670 Reversing valve construction and piston head assembly therefor and methods of making the same Werner Bauer 1981-01-20