|
The ornamental design for an adjustable pressure relief valve, as shown and described. |
|||||||||||||||||
FIG. 1 is a perspective view of an adjustable pressure relief valve showing my new design;
FIG. 2 is an elevational view taken from one side thereof, the opposite side being a mirror image of the side shown;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a top plan view thereof.
| Patent | Priority | Assignee | Title |
| D260280, | Jun 05 1978 | GSW Limited/Limitee | Check valve casing |
| D283725, | Jun 10 1983 | Allegiance Corporation | Housing for an in-line pressure relief valve |
| D321241, | Jun 16 1988 | GP COMPANIES, INC | Combined pressure and thermal safety valve |
| D417905, | Feb 18 1998 | Corrupipe CC | Relief valve |
| D693429, | Mar 22 2012 | Reliance Worldwide Corporation | Safety relief valve |
| D856481, | Apr 04 2018 | Pressure equalization valve for a cold room | |
| D885522, | Dec 20 2018 | Combination gas pressure relief valve and safety whistle |
| Patent | Priority | Assignee | Title |
| 2166742, | |||
| 2254209, | |||
| 2601563, | |||
| 2666448, | |||
| 2674260, | |||
| 2697915, | |||
| 2931385, | |||
| 3702141, | |||
| 432146, | |||
| 222802, | |||
| 226431, | |||
| 226952, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |