John S. Campbell

Follow

Person

Canyon, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dry well shaft assembly
- Patent number 9,879,771
- Issue date Jan 30, 2018
- AMARILLO GEAR COMPANY LLC
- John S. Campbell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
OIL PUMP PLATE FOR IN-LINE FILTER SYSTEM
- Publication number 20160290481
- Publication date Oct 6, 2016
- AMARILLO GEAR COMPANY LLC
- John S. Campbell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DRY WELL SHAFT ASSEMBLY
- Publication number 20160281834
- Publication date Sep 29, 2016
- AMARILLO GEAR COMPANY LLC
- John S. Campbell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DEVICE AND METHOD FOR SETTING A BEARING
- Publication number 20160281785
- Publication date Sep 29, 2016
- AMARILLO GEAR COMPANY LLC
- John S. Campbell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...