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WHISPER TECH LTD

Overview
  • Total Patents
    81
About

WHISPER TECH LTD has a total of 81 patent applications. Its first patent ever was published in 1994. It filed its patents most often in WIPO (World Intellectual Property Organization), New Zealand and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are COOL ENERGY INC, YANG YONGSHUN and OBERMOSER KARL.

Patent filings per year

Chart showing WHISPER TECH LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clucas Donald Murray 62
#2 Mentink Geoffrey James 10
#3 Kumar Vinod 8
#4 Aitken Murray Bruce 7
#5 Thomson Mark Harinui 5
#6 Chokardell Florin Silviu Gabriel 5
#7 Kimber Andrew Edward 4
#8 Fanner David Ian 4
#9 Diehl Andrew Karl 4
#10 Keats Luther 4

Latest patents

Publication Filing date Title
WO2011068419A1 Cogeneration system
NZ587125A System to adjust the themal output of a heat engine driving a generator without changing the electrical output
NZ578137A A wobble-plate motion convertor, the wobble member is held stationary by a flexible restrant fixed to its housing
WO2011002320A1 Linear-rotary motion conversion mechanism with torque restraint member
WO2009157787A1 Flexible connecting rod
WO2010117282A1 Low pollutant emission cogeneration system
NZ573748A Disconnecting a distributed generator from a grid on detection of similar currents through low and high impedance arms
CN101842570A Engine housing comprising an adsorption element
NZ565810A A congeneration system
WO2008072984A2 Linear-rotary motion conversion mechanism
NZ561186A Engine housing comprising an adsorption element
AU2007282235A1 A reciprocating piston machine with oscillating balancing rotors
NZ560333A Balancing of multicyclinder free piston machines
NZ560332A Variable thermal output cogeneration system
NZ554632A microCHP with emergency power supply for continutation of a shut down system when mains power is disconnected
WO2007030021A1 Stirling machine
NZ549050A A reciprocating piston machine with oscillating balancing rotors
NZ540726A Cogeneration system
NZ517441A Heat exchangers for external combustion engine
EP1153201A1 Improvements in the assembly and mounting of an engine drive mechanism