Dudley Edgar James Ward

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Auckland, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Distillation apparatus
- Patent number 9,908,789
- Issue date Mar 6, 2018
- EQUUS ENVIRONMENTAL LIMITED
- Dudley Edgar James Ward
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Distillation apparatus
- Patent number 8,771,478
- Issue date Jul 8, 2014
- Equus Environmental Ltd.
- Dudley Edgar James Ward
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Vacuum seal
- Patent number 5,292,226
- Issue date Mar 8, 1994
- Milcon Developments (NZ) Limited
- Dudley E. J. Ward
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
DISTILLATION APPARATUS
- Publication number 20160130156
- Publication date May 12, 2016
- Equus Environmental Limited
- Dudley Edgar James Ward
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL