Andrew David Chew

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Burgess Hill, Sussex, GB

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Patents Applicationslast 30 patents

Information Patent Application
A VACUUM PUMPING SYSTEM HAVING MULTIPLE PUMPS
- Publication number 20220316462
- Publication date Oct 6, 2022
- Edwards Limited
- Andrew David Chew
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
A TURBOMOLECULAR PUMP, A VACUUM PUMPING SYSTEM AND A METHOD OF EVAC...
- Publication number 20220120282
- Publication date Apr 21, 2022
- Edwards Limited
- Andrew David Chew
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...