Patrick J. Douglas

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Santon, GB

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Patents Grantslast 30 patents

Information Patent Grant
Self-propelled screening apparatus
- Patent number 7,422,116
- Issue date Sep 9, 2008
- Extec Screens & Crushers Limited
- Patrick Joseph Douglas
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Mobile material handling apparatus with lowerable track set
- Patent number 6,405,874
- Issue date Jun 18, 2002
- Rose Holdings Limited
- Patrick Joseph Douglas
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Foldable framework for belt conveyors
- Patent number 5,086,911
- Issue date Feb 11, 1992
- Extec Screens and Crushers Limited
- Patrick J. Douglas
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Endless conveyor elevator with foldable support frame
- Patent number 5,044,484
- Issue date Sep 3, 1991
- Extec Screens and Crushers Limited
- Patrick J. Douglas
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL