Stephen Sapp

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Itasca, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Intermittent pilot ignition gas valve having protection against neg...
- Patent number 11,808,452
- Issue date Nov 7, 2023
- Robertshaw Controls Company
- James E. Pearson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Normally open gas valve
- Patent number 11,047,501
- Issue date Jun 29, 2021
- Robertshaw Controls Company
- Tony Leeseberg
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
INTERMITTENT PILOT IGNITION GAS VALVE HAVING PROTECTION AGAINST NEG...
- Publication number 20210018172
- Publication date Jan 21, 2021
- Robertshaw Controls Company
- James E. Pearson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES