Changgeng Liu

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South Pasadena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Flexible manufacture of polymeric tubing including flow-altering st...
- Patent number 10,357,899
- Issue date Jul 23, 2019
- MINIPUMPS, LLC
- Fukang Jiang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Flexible manufacture of polymeric tubing
- Patent number 10,086,537
- Issue date Oct 2, 2018
- MINIPUMPS, LLC
- Jason Shih
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a corrugated deflection diaphragm
- Patent number 9,550,023
- Issue date Jan 24, 2017
- MINIPUMPS, LLC
- Changlin Pang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FLEXIBLE MANUFACTURE OF POLYMERIC TUBING INCLUDING FLOW-ALTERING ST...
- Publication number 20160039121
- Publication date Feb 11, 2016
- Fukang Jiang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF MAKING A CORRUGATED DEFLECTION DIAPHRAGM
- Publication number 20150005709
- Publication date Jan 1, 2015
- Changlin Pang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
FLEXIBLE MANUFACTURE OF POLYMERIC TUBING
- Publication number 20140332997
- Publication date Nov 13, 2014
- Jason Shih
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL