PAUL P MARTYN
Broker in Beverly Farms, MA

License number
Massachusetts 40669
Issued Date
Sep 1, 1964
Expiration Date
Jul 27, 1976
Type
Broker
Address
Address
Beverly Farms, MA 01915
LicenseFiles verified this license of Nov 25, 2016 at the Mass.gov - Consumer Affairs and Business Regulation.

Professional information

Paul Martyn Photo 1

Plural Diaphragm Valve

US Patent:
4794940, Jan 3, 1989
Filed:
Jan 6, 1987
Appl. No.:
7/000727
Inventors:
Robert J. Albert - Salem NH
Paul P. Martyn - Beverly MA
Assignee:
COE Corporation - Salem NH
International Classification:
F16K 31128
US Classification:
137 1
Abstract:
A diaphragm valve for controlling fluid flow. The valve contains a first and second diaphragm and a piston therebetween. The piston cooperates with the diaphragms controlling their movement within predetermined limits. The piston is preferably limited in travel to limit pressure applied to one diaphragm by means of a mating seat disposed between the diaphragms.

Broker licenses in Massachusetts










Other Buildings and Land licenses in Massachusetts