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DELTA MATERIALS RESEARCH LTD

Overview
  • Total Patents
    78
About

DELTA MATERIALS RESEARCH LTD has a total of 78 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets measurement, control and environmental technology are CONTARDO ESPANOLA, SATCHWELL CONTROL SYSTEMS and TEMPMASTER CORP.

Patent filings in countries

World map showing DELTA MATERIALS RESEARCH LTDs patent filings in countries

Patent filings per year

Chart showing DELTA MATERIALS RESEARCH LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hart William Barrie 11
#2 Hart W B 6
#3 Robinson William Derek 4
#4 Blackburn David William John 3
#5 Michael Anthony David 3
#6 Sims Raymond Bernard 3
#7 Hart William B 3
#8 Williams Reginald Thomas 2
#9 Williams Reginald T 2
#10 Williams R T 2

Latest patents

Publication Filing date Title
GB2083172A Thermostatic switch
GB2072269A Controlling fluid flow nozzles
GB2068545A Temperature-responsive actuating elements
GB2065882A Coated shape memory effect elements
GB2043764A Temperature responsive control device
GB2037913A Water Pump Drive for Internal Combustion Engines
EP0009985A1 Thermostatic mixer valve
GB2026246A Electrical circuit-breaker
FR2431761A1 IMPROVED ELECTRIC CIRCUIT BREAKER
GB2024422A Temperature-responsive actuating-element
GB2023818A Temperature-respnive actuating-elements
US4253611A Jet nozzles
GB2022710A Controlling fluid flow nozzles
FR2426250A1 Temp. responsive actuator for switch, valve or clutch - has metallic rigid compression spring of shape memory effect material with remote control link connected at one end
GB2055248A Electric liquid heating containers
GB2021265A Temperature-responsive actuating mechanism
US4227646A Temperature-responsive valve
US4191053A Temperature-responsive actuator
GB2008194A Pneumatic Exhaust Silencer
GB2033031A Vee pulleys