Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781613 | Barrel lock | — | 2020-09-22 |
| 8955540 | Valve lock assembly | John C. Mahaney | 2015-02-17 |
| 8925360 | Rotating disk lock mechanism | — | 2015-01-06 |
| 8927861 | Meter box cover | John C. Mahaney, Lee Holovnia | 2015-01-06 |
| 8365559 | Key mechanism | — | 2013-02-05 |
| 7946143 | Universal box lock | Robert E. Rafferty, John C. Mahaney | 2011-05-24 |
| 7870867 | Curb box lock | — | 2011-01-18 |
| 7775071 | Pre-loaded barrel lock | — | 2010-08-17 |
| 7703311 | Key system for a rotating barrel lock | — | 2010-04-27 |
| 6931893 | Locking device for a meter socket | — | 2005-08-23 |
| 6684670 | Lock assembly with self retained barrel lock | John C. Mahaney | 2004-02-03 |
| 5871030 | Curb box locking device | — | 1999-02-16 |
| 5086631 | Disc cylinder lock | — | 1992-02-11 |
| 5027624 | Barrel lock with baffle washer and key therefor | John H. Carlson | 1991-07-02 |
| 4828300 | Retaining ring | — | 1989-05-09 |
| 4712395 | Barrel lock with deterrent ring and key therefor | — | 1987-12-15 |
| 4635452 | Double-acting barrel lock and key | — | 1987-01-13 |
| 4611478 | Locking ring assembly | John H. Carlson | 1986-09-16 |
| 4513591 | Spring security lock | John H. Carlson | 1985-04-30 |
| 4513592 | Barrel lock | — | 1985-04-30 |