Johnathan S. Colvin

Follow

Person

Cameron, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Discharge vacuum relief valve for safety vacuum release system
- Patent number 9,568,005
- Issue date Feb 14, 2017
- Pentair Water Pool and Spa, Inc.
- Ronald B. Robol
- E04 - BUILDING
Information Patent Grant
Discharge vacuum relief valve for safety vacuum release system
- Patent number 9,243,413
- Issue date Jan 26, 2016
- Pentair Water Pool and Spa, Inc.
- Ronald B. Robol
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Discharge Vacuum Relief Valve for Safety Vacuum Release System
- Publication number 20160138727
- Publication date May 19, 2016
- Pentair Water Pool and Spa, Inc.
- Ronald B. Robol
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Discharge Vacuum Relief Valve for Safety Vacuum Release System
- Publication number 20120145251
- Publication date Jun 14, 2012
- Ronald B. Robol
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...