FJ

Frederick J. Keller, Jr.

CA Carrier: 4 patents #513 of 2,507Top 25%
📍 Orr, MN: #12 of 94 inventorsTop 15%
🗺 Minnesota: #11,810 of 52,454 inventorsTop 25%
Overall (All Time): #864,235 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8290722 Method for determining refrigerant charge Don A. Schuster, Sathish R. Das 2012-10-16
6415543 Automatic fishing rod device for jigging and trolling 2002-07-09
5647533 Run time criteria to control indoor blower speed Don A. Schuster, Larry J. Burkhart, Hongmei Liang 1997-07-15
D349565 Top cover with discharge orifice for the outdoor unit of an air conditioning split system Larry D. Burns 1994-08-09
5167491 High to low side bypass to prevent reverse rotation Louis E. Chaump 1992-12-01
D263417 Self-contained solid fuel boiler system Walter G. Horton 1982-03-16