STEPHEN B BOYD
Radio and Television Technicians in Arlington, MA

License number
Massachusetts 8796
Expiration Date
Dec 31, 1985
Type
Master Technician
Address
Address
Arlington, MA 02474

Professional information

Stephen Boyd Photo 1

Pump Control Responsive To Timer, Delay Circuit And Motor Current

US Patent:
5076763, Dec 31, 1991
Filed:
Oct 1, 1990
Appl. No.:
7/593333
Inventors:
William N. Anastos - Belmont MA
Stephen B. Boyd - Arlington MA
Assignee:
Rule Industries, Inc. - Gloucester MA
International Classification:
F04B 4902
US Classification:
417 44
Abstract:
Disclosed herein is an apparatus and method for controlling electrically powered liquid-moving pumps, particularly bilge and sump pumps. The apparatus is characterized by the fact that no portion thereof need be located in the hostile environment of the bilge or sump served by the pump controlled thereby.


Stephen Boyd Photo 2

Pump Control Apparatus And Method

US Patent:
5324170, Jun 28, 1994
Filed:
Jun 3, 1993
Appl. No.:
8/071331
Inventors:
William N. Anastos - Belmont MA
Stephen B. Boyd - Arlington MA
Assignee:
Rule Industries, Inc. - Burlington MA
International Classification:
F04B 4902
US Classification:
417 12
Abstract:
Disclosed herein is an apparatus and method for controlling electrically powered liquid-moving pumps, particularly bilge and sump pumps. The apparatus is characterized by the fact that no portion thereof need be located in the hostile environment of the bilge or sump served by the pump controlled thereby.