Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006951 | Chemical measuring tank | Steven W. Claussen, Robert L. Claussen | 1999-12-28 |
| D379490 | Liquid chemical tank | Steven W. Claussen | 1997-05-27 |
| 5607080 | Chemical measuring system | Steven W. Claussen, Robert L. Claussen | 1997-03-04 |
| D372298 | Spray hood | Steven W. Claussen | 1996-07-30 |
| 5526605 | Spray shield | — | 1996-06-18 |
| 5520335 | Spray hood and assembly including the spray hood | Steven W. Claussen, Thomas J. Gorres, Dean W. Weckwerth | 1996-05-28 |
| D356629 | Spray shield | Steven W. Claussen | 1995-03-21 |
| 5371969 | Spray shield | Steven W. Claussen | 1994-12-13 |
| 5319988 | Assembly for checking spring patterns | Steven W. Claussen | 1994-06-14 |
| 5195873 | Chemical transfer system | Steven W. Claussen | 1993-03-23 |
| 5174383 | Apparatus and method for controlling the introduction of chemical foamant into water stream in fire-fighting equipment | Roger A. Haugen | 1992-12-29 |