Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997348 | Foam proportioning system with low-end controller | Robert L. Hosfield, Lawrence C. Arvidson | 2011-08-16 |
| 7614455 | Fire fighting foam injection system with auto-start feature | Lawrence C. Arvidson | 2009-11-10 |
| 7318483 | Fire fighting foam injection system with auto-start feature | Lawrence C. Arvidson | 2008-01-15 |
| 6886639 | High flow foam system for fire fighting applications | Lawrence C. Arvidson, Robert L. Hosfield | 2005-05-03 |
| 6766863 | Fire fighting foam injection system with auto-start feature | Lawrence C. Arvidson | 2004-07-27 |
| 6085586 | Flow meter system with remote displays for each discharge | Lawrence C. Arvidson, Duane A. Brown | 2000-07-11 |
| 5765644 | Dual tank control system and method for use in foam introduction fire fighting systems | Lawrence C. Arvidson | 1998-06-16 |
| 5764463 | Current limiting circuit and electronic fuse for use in foam injection fire fighting systems | Lawrence C. Arvidson | 1998-06-09 |
| RE35362 | Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting equipment | Lawrence C. Arvidson | 1996-10-29 |
| 5494112 | System for introduction of concentrated liquid chemical foamant into a water stream for fighting fires | Lawrence C. Arvidson | 1996-02-27 |
| 5313548 | Direct current motor speed controller | Lawrence C. Arvidson | 1994-05-17 |
| 5232052 | Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting equipment | Lawrence C. Arvidson | 1993-08-03 |