DH

Doyle G. Herrig

TK Thermo King: 3 patents #4 of 34Top 15%
📍 Elko, MN: #1 of 2 inventorsTop 50%
🗺 Minnesota: #100 of 2,841 inventorsTop 4%
Overall (1994): #13,816 of 165,921Top 9%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5331821 Method of starting and running an internal combustion engine connected to a refrigerant compressor Jay L. Hanson, James E. Nixon, Gerald J. Ladendorf, Lowell B. Naley, Norman F. Spear 1994-07-26
5303560 Method and apparatus for monitoring and controlling the operation of a refrigeration unit Jay L. Hanson 1994-04-19
5284024 Method of detecting short cycling of air discharged by a refrigeration unit Jay L. Hanson, Gerald J. Ladendorf 1994-02-08