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TROJAN POWDER CO

Overview
  • Total Patents
    234
About

TROJAN POWDER CO has a total of 234 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and machines are NOBEL KEMI AB, P B CLERMONT and GIRARD ADAM CHARLES.

Patent filings in countries

World map showing TROJAN POWDER COs patent filings in countries
# Country Total Patents
#1 United States 212
#2 Canada 12
#3 United Kingdom 5
#4 Germany 2
#5 France 2
#6 Spain 1

Patent filings per year

Chart showing TROJAN POWDER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wyler Joseph A 75
#2 Snelling Walter O 55
#3 Griffith George L 37
#4 Wells Franklin B 16
#5 Russell Edward J 11
#6 Ruhf Robert J 8
#7 Schwoyer William L 7
#8 Dowling Thomas P 6
#9 Lyte George A 6
#10 Rupp Guy A 5

Latest patents

Publication Filing date Title
US3431851A Primers for use with delay action blasting caps and process of blasting using the same
US3399089A Gelatinized dinitrotoluenenitrostarch explosives
GB1196435A Process and Apparatus for Preparing Detonating and Deflagrating Fuse and Product
US3411399A Method and apparatus for packing explosives
US3407730A Retainer for holding a detonator in a detonator receptacle and explosive cartridge container containing the same
US3395056A Inorganic oxidizer salt-alcohol explosive slurry containing an alcohol thickening agent
US3361604A Explosive slurries containing an inorganic oxidizer salt and particulate fibrous naturally wet pulpy plant matter
US3344005A Pentaerythritol tetranitrate-trimethylolethane trinitrate explosives
US3330706A Nitrostarch explosives containing slowly hydratable guar gum
US3322066A Self-destructive explosive cartridge for underwater seismic exploration
US3358600A Self-destroying explosive cartridge for underwater seismic exploration
US3303074A Aqueous explosives slurries containing sulfur compounds having a low coefficient of expansion
US3327582A Process and apparatus for preparing detonating and deflagrating fuse
US3300348A Explosive conitrates and process for preparing the same
US3323455A Expansible explosive cartridge
US3361603A Inorganic oxidizer salt explosive compositions containing particulate paper sheet as a pouring density reducer
US3332349A Presplitting blasting assembly
US3318242A Packaged explosive product
US3303072A Low density, nitrate-based explosive compositions
US3401632A Packaged booster explosive