Patents per Year
Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9573077 | Solids maker cooling tower | Tom Ruisinger, Ken Mortensen | 2017-02-21 | |
| 6685873 | Method for progressively separating integrally attached gutter flash from an in-mold blow-molded thermoplastic resin product | — | 2004-02-03 | |
| 6385841 | Method and apparatus for installing steam boiler tubes | — | 2002-05-14 | $832,000 |
| 6209181 | Boiler tube flare-end segment peeler tool | — | 2001-04-03 | $2,835,000 |
| 6205632 | Boiler tube flared-end compression tool | Richard Arthur, Robert L. Richards | 2001-03-27 | $2,887,000 |
| 6182354 | Boiler tube segment and bend tool | — | 2001-02-06 | $6,118,000 |
| 5974642 | Boiler tube removal apparatus | Richard Arthur, Gary E. Ingram | 1999-11-02 | $2,352,000 |
| 5957471 | Snow vehicle | — | 1999-09-28 | |
| 5893209 | Apparatus for effecting boiler tube removal | Richard Arthur | 1999-04-13 | |
| 5826334 | Boiler tube removal method | Richard Arthur, Gary E. Ingram | 1998-10-27 | $2,665,000 |
| D387702 | Snow vehicle | — | 1997-12-16 | |
| 5590824 | Interlock panel | — | 1997-01-07 | |
| 5423463 | Interlock panel | — | 1995-06-13 |