John Hughes

Follow

Person

Calgary, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Insertable progressing cavity pump
- Patent number 6,729,391
- Issue date May 4, 2004
- Kudu Industries Inc
- David Arthur Hill
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS, SYSTEM AND METHOD FOR INSULATED CONDUCTING OF FLUIDS
- Publication number 20240102599
- Publication date Mar 28, 2024
- PMC Pumps Inc.
- Yuchang DING
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
APPARATUS, SYSTEM AND METHOD FOR INSULATED CONDUCTING OF FLUIDS
- Publication number 20240102601
- Publication date Mar 28, 2024
- PMC Pumps Inc.
- Yuchang DING
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HYDRAULICALLY ACTUATED DOUBLE-ACTING POSITIVE DISPLACEMENT PUMP SYS...
- Publication number 20240052732
- Publication date Feb 15, 2024
- PMC Pumps Inc.
- Yuchang DING
- E21 - EARTH DRILLING MINING
Information Patent Application
Insertable progessing cavity pump
- Publication number 20030111221
- Publication date Jun 19, 2003
- KUDU INDUSTRIES INC.
- David Arthur Hill
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...