Douglas E. BREWSTER

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Harrisville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic tuning system for pneumatic material conveying systems
- Patent number 11,365,071
- Issue date Jun 21, 2022
- IPEG, Inc.
- Doug Brewster
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Material delivery system
- Patent number 10,093,492
- Issue date Oct 9, 2018
- IPEG, Inc.
- Douglas E. Brewster
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Material delivery system
- Patent number 9,745,149
- Issue date Aug 29, 2017
- IPEG, Inc.
- Douglas E. Brewster
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Pressure differential proofing method for pneumatic conveying
- Patent number 9,561,915
- Issue date Feb 7, 2017
- IPEG, Inc.
- Raymond Burteen Kelly
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC TUNING SYSTEM FOR PNEUMATIC MATERIAL CONVEYING SYSTEMS
- Publication number 20210331877
- Publication date Oct 28, 2021
- IPEG, Inc
- Doug Brewster
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Material Delivery System
- Publication number 20170320681
- Publication date Nov 9, 2017
- Douglas E. Brewster
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Material Delivery System
- Publication number 20160272438
- Publication date Sep 22, 2016
- IPEG, INC.
- Douglas E. BREWSTER
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Pressure Differential Proofing Method for Pneumatic Conveying
- Publication number 20160272439
- Publication date Sep 22, 2016
- IPEG, INC.
- Raymond Burteen KELLY
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FUEL CAP HOLDER
- Publication number 20140339245
- Publication date Nov 20, 2014
- Douglas E. Brewster
- B60 - VEHICLES IN GENERAL