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WORCESTER CONTROLS CORP

Overview
  • Total Patents
    91
About

WORCESTER CONTROLS CORP has a total of 91 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and Brazil. Its main competitors in its focus markets mechanical elements, machines and control are GODDARD IND INC, VALVE INNOVATIONS LLC and BANKS GEORGE W.

Patent filings in countries

World map showing WORCESTER CONTROLS CORPs patent filings in countries

Patent filings per year

Chart showing WORCESTER CONTROLS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gonzalez Ricardo 13
#2 Sanctuary Robert E 11
#3 Osthues Robert H 9
#4 Sanctuary R 7
#5 Sumner Charles A 5
#6 Nelson David C 4
#7 Gonzalez R 4
#8 Paradis Kenneth 4
#9 Fuller Howard J 4
#10 Posner Hyman A 4

Latest patents

Publication Filing date Title
EP0797035A1 Pneumatic actuator having an end-mounted control device
US5117858A Top entry ball valves with cam adjustable seats
US5074522A Ball valve having improved inherent rangeability
US4936547A Eccentric ball valve
US4531273A Method for fabricating graphite filled sintered metal seats for ball valves
CA1204098A Graphite filled sintered metal seats for ball valves, and method of making the same
GB8302564D0 Rotary ball valves
EP0103056A1 Sintered metal body and method of making same
GB2126251A Sintered plastic impregnated metal body
BR8201907A Perfect process to manufacture a sintered metal and seat or valve seal element
CA1160913A Sintered metal/polymer impregnated seat and method of fabricating the same
US4385747A Self-relieving seat and ball valve incorporating the same
US4487111A Apparatus for generating reciprocatory motion
US4417312A Electronic controller for valve actuators
US4377892A Method of fabricating sintered metal/polymer impregnated ball valve seats
US4280526A Lockable end plug for valve housings
ZA7905991B High pressure butterfly valve having a balanced seat
US4206686A Cantilever beam positioner for valve actuators
US3910552A Adjustable wafer butterfly valve
US3874631A Adjustable, corrosion-resistant, butterfly valve