Ren Lu

Follow

Person

White Plains, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for rapidly cooling a gem, including two stage...
- Patent number 10,641,526
- Issue date May 5, 2020
- GEMOLOGIAL INSTITUTE OF AMERICA, INC. (GIA)
- Matt Hall
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for rapidly cooling a gem, including two stage...
- Patent number 9,568,237
- Issue date Feb 14, 2017
- Gemological Institute of America (GIA)
- Matt Hall
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for rapidly cooling a gem, including two stage...
- Patent number 8,477,293
- Issue date Jul 2, 2013
- Gemological Institute of America (GIA)
- Matt Hall
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR RAPIDLY COOLING A GEM, INCLUDING TWO STAGE...
- Publication number 20170102171
- Publication date Apr 13, 2017
- Gemological Institute of America (GIA)
- Matt Hall
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR RAPIDLY COOLING A GEM, INCLUDING TWO STAGE...
- Publication number 20140157817
- Publication date Jun 12, 2014
- GEMOLOGICAL INSTITUTE OF AMERICA INC. (GIA)
- Matt Hall
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for rapidly cooling a gem, including two stage...
- Publication number 20100220311
- Publication date Sep 2, 2010
- Matt Hall
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...