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RICHDEL

Overview
  • Total Patents
    19
About

RICHDEL has a total of 19 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States. Its main competitors in its focus markets environmental technology, mechanical elements and machines are WILLIAM CRAMP & SONS SHIP & EN, THUNDER ROSE ENTPR INC and MADRIGAL CHAVARRIA ANA LIDIETH.

Patent filings in countries

World map showing RICHDELs patent filings in countries
# Country Total Patents
#1 United States 19

Patent filings per year

Chart showing RICHDELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Saarem Myrl J 12
#2 Merriner Delbert L 4
#3 Soukup Dale F 4
#4 Lovelace Donald E 4
#5 Miller Woodrow W 3
#6 Firebaugh Dale C 3
#7 Merriner D 2
#8 Saarem M 2
#9 Miller W 1
#10 Gould Charles D 1

Latest patents

Publication Filing date Title
US4398562A Motorized diverter valve
US4505450A Solenoid-operated pilot-actuated valve
US4269229A Solar heat system
US4230142A Vent/vacuum breaker float valve assembly
US4191166A Solar heat system
US4195621A Solid state differential temperature regulator for a solar heating system
US4097763A Electric programmer
US4135696A Pilot operated diaphragm valve
US4180236A Normally-open valve assembly with solenoid-operated pilot
US4012673A Timing valve control system
US3987430A Programmed control unit
US3895331A Latching solenoid
US3827670A Valve assembly
US3757263A Solenoid valve operator
US3743240A Valve assembly
US3598360A Solenoid valve
US3598936A Snap-acting selector switch with double acting pawl escapement mechanism
US3410301A Solenoid or timer operated pilot valve for main valve control
US3101418A Electric programmer