Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7571785 | Modular roof-mounted radiator compartment and other roof-mounted utility compartments for buses | — | 2009-08-11 |
| 6415620 | Dual loop vehicle air conditioning system | — | 2002-07-09 |
| 5285654 | Evaporative cooling/heating system with roof-mounted water tank | — | 1994-02-15 |
| 5184474 | Roof-mounted air conditioning system with built-in compressor | — | 1993-02-09 |
| 5066067 | Prefabricated bus housing | — | 1991-11-19 |
| 4835982 | Evaporative cooling system | — | 1989-06-06 |
| 4679616 | Roof-mounted air conditioner system having modular evaporator and condensor units | Martin Krug, Paul R. Bihl | 1987-07-14 |
| 4607497 | Roof-mounted air conditioner system having modular evaporator and condensor units | Martin Krug, Paul R. Bihl | 1986-08-26 |