DH

Doyle G. Herrig

TK Thermo King: 21 patents #9 of 483Top 2%
Overall (All Time): #211,635 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6862499 Environment-controlled transport unit Joaquim Geraldo Cretella, Leslie D. Rustad, Randal Gast, Richard W. Schmidt, Thomas A. Flanagan 2005-03-01
5977647 Automatic pretrip for engine powered generator Douglas E. Lenz, Ladislaus Joseph Brabec, Jay L. Hanson, Dave Forsmark, Mike P. Gaynor +1 more 1999-11-02
5669223 Transport temperature control system having enhanced low ambient heat capacity James Haley, Gillian M. Drake 1997-09-23
5634347 Method of controlling a transport refrigeration system without refrigerant modulation Jay L. Hanson 1997-06-03
5579648 Method of monitoring a transport refrigeration unit and an associated conditioned load Jay L. Hanson 1996-12-03
5564285 Method of converting a time based data logger to a time and random event based data logger Romuald M. Jurewicz, James E. Nixon, Albert Wong, Jay L. Hanson 1996-10-15
5557938 Transport refrigeration unit and method of operating same Jay L. Hanson 1996-09-24
5557941 Refrigeration unit and method of operating same Jay L. Hanson, James E. Nixon, Gerald J. Ladendorf 1996-09-24
5530647 Method of dynamically determining oil change intervals for internal combustion engines Thomas R. Sem, Jay L. Hanson 1996-06-25
5456088 Refrigeration unit and method of operating same Jay L. Hanson, James E. Nixon, Gerald J. Ladendorf 1995-10-10
5454229 Refrigeration unit control with shutdown evaluation and automatic restart Jay L. Hanson, Stanley O. Hoium, James M. Roush, James E. Nixon 1995-10-03
5415006 Transport refrigeration unit having means for increasing the amount of refrigerant charge available David J. Renken, Curtis G. Yaeger 1995-05-16
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
5172560 Method of operating a transport refrigeration system Romuald M. Jurewicz, Jay L. Hanson, Jeffrey B. Berge, Jayaram Seshadri, Alan D. Gustafson +3 more 1992-12-22
5140825 Method of operating a transport refrigeration unit Jay L. Hanson 1992-08-25
5103783 Detection of engine fuel problems Jay L. Hanson 1992-04-14
5065587 Compartmentalized transport refrigeration system Leland L. Howland, Jan M. Parker, David Allan Swanson 1991-11-19
4932219 Transport refrigeration system with selective receiver tank pressurization Leland L. Howland 1990-06-12
4903502 Rate of change temperature control for transport refrigeration systems Jay L. Hanson 1990-02-27