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GRENKE EDWARD

Overview
  • Total Patents
    13
About

GRENKE EDWARD has a total of 13 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Brazil, Canada and Mexico. Its main competitors in its focus markets engines, pumps and turbines and civil engineering are BORNEMANN J H GMBH & CO, DAVIS RAYMOND C and PCM.

Patent filings in countries

World map showing GRENKE EDWARDs patent filings in countries
# Country Total Patents
#1 Brazil 2
#2 Canada 2
#3 Mexico 2
#4 Germany 1
#5 Hungary 1
#6 India 1
#7 Norway 1
#8 Romania 1
#9 United States 1
#10 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing GRENKE EDWARDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Engines, pumps and turbines
#2 Civil engineering

Top inventors

# Name Total Patents
#1 Grenke Edward 13

Latest patents

Publication Filing date Title
US2007292277A1 Wellhead drive brake system
MX9801983A Wellhead drive brake system.
BR9504043A Set to contain oil spill and process to contain oil spill in an oil well pump
BR9510639A Wellhead drive brake system
MX9503954A Oil rotating pump sealing unit, and method to use the same.
HUT78067A Wellhead drive brake, pump system and method for actuating it
WO9710437A1 Wellhead drive brake system
CA2095473A1 Rotary drive assemblies