Parkinson Cowan GWB Limited

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Patents Grantslast 30 patents

Information Patent Grant
Grates
- Patent number 4,389,978
- Issue date Jun 28, 1983
- Parkinson Cowan GWB Limited
- Reginald D. Northcote
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Industrial boilers
- Patent number 4,172,431
- Issue date Oct 30, 1979
- Parkinson Cowan GWB Limited
- John A. Tatem
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for feeding solid fuel to a furnace grate
- Patent number 4,080,931
- Issue date Mar 28, 1978
- Parkinson Cowan GWB Limited
- Reginald Dennis Northcote
- F22 - STEAM GENERATION
Information Patent Grant
Industrial boilers
- Patent number 4,080,932
- Issue date Mar 28, 1978
- Parkinson Cowan GWB Limited
- Reginald Dennis Northcote
- F22 - STEAM GENERATION
Information Patent Grant
Grate assembly for a boiler
- Patent number 4,002,148
- Issue date Jan 11, 1977
- Parkinson Cowan GWB Limited
- Brian Harding
- F24 - HEATING RANGES VENTILATING