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PARAHO CORP

Overview
  • Total Patents
    28
About

PARAHO CORP has a total of 28 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets basic materials chemistry, thermal processes and materials and metallurgy are ALEXANDRE BIGOT, POSPISIL JAROSLAV and BECKENBACH K.

Patent filings in countries

World map showing PARAHO CORPs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 6
#3 Germany 4
#4 Austria 2
#5 Sweden 2
#6 Brazil 1
#7 United Kingdom 1

Patent filings per year

Chart showing PARAHO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jones John B Jr 7
#2 Jones J 7
#3 Reeves Adam A 4
#4 Burnett Jones Jun John 3
#5 Jones Jr John B 3
#6 Harris Harry A 2
#7 Reeves A 2
#8 Jones John Burnett 1
#9 Jones John B 1
#10 Jones Jun John Burnett 1

Latest patents

Publication Filing date Title
US4371335A Zone separator for multiple zone vessels
CA1077872A Combustion method of oil shale retorting
US4090945A Method of operating an oil shale kiln
US4116779A Starting procedure for internal combustion vessels
US4092128A Desulfurized gas production from vertical kiln pyrolysis
US4116810A Indirect heating pyrolysis of oil shale
US4066529A Method of design for vertical oil shale retorting vessels and retorting therewith
US4221638A Fluid-solid contact vessel having fluid distributors therein
DE2358530A1 Bottom fluid distributor for shaft vessel - providing uniform fluid flow
CA1001410A Bottom fluid distributor for shaft vessels
CA985499A Process for calcination in a vertical kiln
US3841992A Method for retorting hydrocarbonaceous solids
US3777940A Bottom fluid distributor for shaft vessels
US3736247A Retorting of solid carbonaceous material
US3743697A Process of calcination
DE1906962A1 Vertical vessel fluid distribution system
US3561927A Fluid collection system for vertical process vessels
CA861414A Radial grate for shaft kilns
CA832370A Fluid distributor for vertical vessels
CA889237A Fluid distributor for vertical vessels