Patent
   D949922
Priority
Jul 24 2021
Filed
Jul 24 2021
Issued
Apr 26 2022
Expiry
Apr 26 2037
Assg.orig
Entity
unknown
1
46
n/a
The ornamental design for a pressure relief valve, as shown and described.

FIG. 1 is a perspective view of a pressure relief valve showing my new design;

FIG. 2 is a right elevation view;

FIG. 3 is a left elevation view;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view.

In the drawings, the broken lines shown in the Figures depict environmental subject matter only and form no part of the claimed design.

Middlebrook, James

Patent Priority Assignee Title
ER8248,
Patent Priority Assignee Title
10907744, Jul 30 2020 Vortech Engineering, Inc. Pressure relief valve
11149867, Oct 31 2020 Vortech Engineering, Inc. Pressure relief valve
1743350,
2530091,
2997070,
3359998,
3480746,
3552713,
3643583,
3675751,
3695300,
3705594,
4545560, Mar 24 1982 DRESSER EQUIPMENT GROUP, INC Valve coupling
4958656, Jun 29 1989 Dresser Industries, Inc. Pressure relief valve
5271429, Jun 23 1990 Filterwerk Mann & Hummel GmbH Internal combustion engine lubricating oil filter valve
5924671, Apr 12 1996 Fisher Controls International LLC Rotary valve actuator and linkage
6076799, Apr 12 1996 Fisher Controls International LLC Rotary valve actuator and linkage
6334460, Dec 06 1999 Siemens Automotive Corporation Pressure regulator baffle seat with radial flow paths
6775990, Oct 17 2002 General Electric Company Methods and apparatus for regulating gas turbine engine fluid flow
7373915, Sep 26 2006 Motion control mechanism for a piston engine
7665714, Aug 15 2007 Woodward Governor Company Fail safe mechanism for valve using a cock and lock return spring
8474256, Apr 23 2007 New Power Concepts, LLC Stirling cycle machine
8613198, Dec 23 2009 Unison Industries, LLC Method and apparatus for controlling compressor bleed airflow of a gas turbine engine using a butterfly valve assembly
8763391, Apr 23 2007 New Power Concepts LLC Stirling cycle machine
8881762, Jun 30 2011 Caterpillar Inc System and method implementing air shutoff position detection strategy
9249892, Apr 15 2011 BROSE FAHRZEUGTEILE GMBH & CO KG, COBURG Actuating drive of an air passage device
9435455, Dec 21 2011 DEKA Products Limited Partnership System, method, and apparatus for monitoring, regulating, or controlling fluid flow
9476282, Jun 24 2013 INNOVEX DOWNHOLE SOLUTIONS, INC Method and apparatus for smooth bore toe valve
20080111088,
20080302538,
20110146601,
20120111574,
20130233396,
20160003005,
20160040797,
20160061370,
20160084434,
20160357198,
20170016541,
20190309865,
20200132205,
20210215256,
D527740, Feb 08 2005 TXS Pty Limited Blow off valve
D809018, May 27 2016 Accessible Technologies, Inc. Multi-chamber blowoff valve
D886158, Oct 19 2017 ZHEJIANG SANHUA INTELLIGENT CONTROLS CO , LTD Electric pump
D913337, Jan 14 2019 Compressor internal control valve
///////////////////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 19 2021MIDDLEBROOK, JAMES, MR VORTECH ENGINEERING, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0570230515 pdf
Jul 24 2021Vortech Engineering, Inc.(assignment on the face of the patent)
Feb 01 2023AIRPOWER GROUP, INC FARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
Feb 01 2023PAXTON AUTOMOTIVE CORP FARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
Feb 01 2023VORTECH ENGINEERING, INC DE FARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
Feb 01 2023VORTECH ENGINEERING, INC CA FARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
Feb 01 2023RACETEC PISTONS, LLCFARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
Feb 01 2023SCAT ENTERPRISES, LLCFARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
Feb 01 2023AIR FLOW RESEARCH HEADS, LLCFARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
Feb 01 2023VORTRON TECHNOLOGIES, INC BYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023VORTECH ENGINEERING, INC BYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023PAXTON AUTOMOTIVE CORP BYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023AIRPOWER GROUP, INC BYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023RACETEC PISTONS, LLCBYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023SCAT ENTERPRISES, LLCBYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023AIR FLOW RESEARCH HEADS, LLCBYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023RACING & PERFORMANCE CORP BYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023RACING & PERFORMANCE HOLDINGS, LLCBYLINE BANK, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625650057 pdf
Feb 01 2023VORTRON TECHNOLOGIES, INC FARRAGUT SBIC FUND II, LPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0625700499 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule