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NENNIGER JOHN

Overview
  • Total Patents
    24
About

NENNIGER JOHN has a total of 24 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Canada, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, measurement and basic materials chemistry are ROGALANDSFORSKNING, OURO NEGRO TECNOLOGIAS EM EQUIPAMENTOS IND S/A and BAOJI SAFE PETROLEUM MACHINERY CO LTD.

Patent filings in countries

World map showing NENNIGER JOHNs patent filings in countries

Patent filings per year

Chart showing NENNIGER JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nenniger John 24
#2 Nenniger Emil 3
#3 Gunnewiek Lowy 2
#4 Nenniger Regina D 2
#5 Dunn Stephen 1
#6 Conquorgood Steve 1
#7 Reid Bob 1
#8 Conquergood Stephen J 1
#9 Conquorgord Stephen J 1

Latest patents

Publication Filing date Title
CA2762480A1 An inflow control valve for controlling the flow of fluids into a generally horizontal production well and method of using the same
WO2011075835A1 A multi-step solvent extraction process for heavy oil reservoirs
CA2707776A1 A method and apparatus for the preferential production of fluids from horizontal wells
CA2436158A1 Heavy oil extraction test chamber with configurable temperature profile and feedback control
CA2374115A1 Energy efficient method and apparatus for stimulating heavy oil production
CA2235085A1 Method and apparatus for stimulating heavy oil production
CA2218029A1 Method and apparatus for measuring deposits in pipelines
CA2197535A1 Method and apparatus for measurement and prediction of waxy crude characteristics
US5517593A Control system for well stimulation apparatus with response time temperature rise used in determining heater control temperature setpoint
CA2140818A1 Control system and method for well stimulation apparatus
CA2140471A1 Method for injection well stimulation
CA2155035A1 Method and apparatus for oil well stimulation
CA2052202A1 Method and apparatus for oil well stimulation