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WIGGS B RYLAND

Overview
  • Total Patents
    19
About

WIGGS B RYLAND has a total of 19 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, thermal processes and engines, pumps and turbines are EARTH TO AIR SYSTEMS LLC, NO 510 INST OF CHINA FIFTH ACADEMY OF LAUNCH VEHICLE TECHNOLOGY GROUP and WON CHEOL HO.

Patent filings in countries

World map showing WIGGS B RYLANDs patent filings in countries

Patent filings per year

Chart showing WIGGS B RYLANDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wiggs B Ryland 19
#2 Thoms Richard 1

Latest patents

Publication Filing date Title
US2013192816A1 Single well, self-flowing, geothermal system for energy extraction
US8997509B1 Frequent short-cycle zero peak heat pump defroster
US2012144829A1 Direct exchange geothermal refrigerant power advanced generating system
US2011100588A1 DX system interior heat exchanger defrost design for heat to cool mode
US2009272137A1 Oil return for a direct exchange geothermal heat pump
US2009120120A1 DX system with filtered suction line, low superheat, and oil provisions
US2009095442A1 Advanced DX system design improvements
US2009065173A1 Direct exchange heating/cooling system
WO2008073120A1 Direct exchange geothermal heating/cooling system sub-surface tubing installation with supplemental sub-surface tubing configuration
US7938904B1 Cementitious grout and methods of using same
US7080524B2 Alternate sub-surface and optionally accessible direct expansion refrigerant flow regulating device
AU2003275198A1 Insulated sub-surface liquid line direct expansion heat exchange unit with liquid trap
US6971248B1 Method and apparatus for inhibiting ice accumulation in HVAC systems
US5272879A Multi-system power generator
US4725195A Advanced piggyback water power generator
US4590386A Piggy back water power generator