David Hammond

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Trowbridge, Wiltshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rotary valve
- Patent number 9,927,040
- Issue date Mar 27, 2018
- Rota Val Ltd
- David Hammond
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
ROTARY VALVE
- Publication number 20160091105
- Publication date Mar 31, 2016
- Rota Val Ltd
- David Hammond
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...