Wen J. Whan

Follow

Person

West Covina, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Vacuum assisted aerated drilling
- Patent number 10,502,010
- Issue date Dec 10, 2019
- Wen J Whan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus of generating shear waves for seismic exploration
- Patent number 10,042,063
- Issue date Aug 7, 2018
- Wen J Whan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
VACUUM ASSISTED AERATED DRILLING
- Publication number 20180258720
- Publication date Sep 13, 2018
- Wen J Whan
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus of Generating Shear Waves for Seismic Exploration
- Publication number 20170242138
- Publication date Aug 24, 2017
- Wen J Whan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Method of Mapping Resistive or Conductive Targets onshore or offsho...
- Publication number 20160041289
- Publication date Feb 11, 2016
- Wen J. Whan
- G01 - MEASURING TESTING