John Haggerty

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Warlingham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method for clearing settled sludge
- Patent number 4,685,974
- Issue date Aug 11, 1987
- Butterworth Systems, Inc.
- John A. Furness
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Sludge removal machine
- Patent number 4,407,678
- Issue date Oct 4, 1983
- Butterworth Systems Inc.
- John A. Furness
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Sealing arrangement
- Patent number 4,331,254
- Issue date May 25, 1982
- Butterworth Systems Inc.
- John Haggerty
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL