Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196347 | Grip lock fire sprinkler connector | Wayne Spears | 2025-01-14 |
| 11105448 | Grip lock fire sprinkler connector | Wayne Spears | 2021-08-31 |
| 9810359 | Pipe coupling | Wayne Spears, David E. Littleton | 2017-11-07 |
| 9765912 | Telescoping pipe coupling | Wayne Spears, Alan Lunt | 2017-09-19 |
| 9151426 | Closure fitting for containment piping | — | 2015-10-06 |
| 8381655 | Aluminum cartridge casing for rifles | Douglas Swingley, Scott W. Miller, Mehroujan Shirvanian | 2013-02-26 |
| 7004194 | Check valve with pressure relief feature | — | 2006-02-28 |
| 5582439 | Strengthened pipe fitting and method | — | 1996-12-10 |
| 5109929 | Sprinkler head adapter | — | 1992-05-05 |