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SCHULZ TOOL & MFG CO

Overview
  • Total Patents
    35
About

SCHULZ TOOL & MFG CO has a total of 35 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States. Its main competitors in its focus markets machines, mechanical elements and transport are DONALD G GRISWOLD, ANDERSON GREENWOOD LP and KIMRAY INC.

Patent filings in countries

World map showing SCHULZ TOOL & MFG COs patent filings in countries
# Country Total Patents
#1 United States 35

Patent filings per year

Chart showing SCHULZ TOOL & MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mosher James K 19
#2 Hieber Ellsworth E 6
#3 Hardison Artson P 4
#4 Taquino Thomas P 2
#5 Horst Gunter H 2
#6 Brown Gordon F 2
#7 Hillery Frank Edward 1
#8 Schulz John W 1
#9 Swatek Robert C 1
#10 Lawell Donald G 1

Latest patents

Publication Filing date Title
US3587622A Valve
US3586033A Combined aerial refueling coupling and pressure regulator
US3587678A Flight-refueling receptacle having pressure-inertia release valve
US3475001A Aerial refueling probe nozzle
US3402732A Liquid level and pressure control system with precheck means for tanks
US3352332A Probe with sliding sealed nozzle
US3233058A Plunger-operated snap-action switch
US3223802A Solenoid having a two-piece armature
US3269694A Gate valve having biased sealing means
US3177896A Quick disconnect full-flow couplings and unitary socket therefor
US3269736A Dynamic seal for cryogenic use
US3187133A Snap action, push button electric switch
US3207179A Gauge saver
US3129977A Automatically indexing wheel and hub
US3177889A Float-operated surge relief shutoff valve
US3186426A Plug-in valve
US3108769A Ring wing drogue
US3172420A Liquid flow control system and by-pass valve
US3182569A Seal and structure for supporting the same
US3144056A Apparatus for loading and unloading a fuel tank