Kin Wan Li

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KLN, CN

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Patents Grantslast 30 patents

Information Patent Grant
Portable air treatment system
- Patent number 9,845,962
- Issue date Dec 19, 2017
- Crane USA Inc.
- Dirk Niedermann
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Humidifier
- Patent number D685896
- Issue date Jul 9, 2013
- Wachsmuth & Krogmann
- Dirk Niedermann
- D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE AIR TREATMENT SYSTEM
- Publication number 20160313016
- Publication date Oct 27, 2016
- Crane USA Inc.
- Dirk Niedermann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL