Learn more

NAT AUTOMATIC TOOL COMPANY INC

Overview
  • Total Patents
    38
About

NAT AUTOMATIC TOOL COMPANY INC has a total of 38 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machines, machine tools and mechanical elements are NAT AUTOMATIC TOOL CO, BAKER BROTHERS INC and MELLING HERMAN W.

Patent filings in countries

World map showing NAT AUTOMATIC TOOL COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 33
#2 United Kingdom 4
#3 Canada 1

Patent filings per year

Chart showing NAT AUTOMATIC TOOL COMPANY INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Schafer Robert A 9
#2 Calvin Irish Meral 3
#3 Norman Richard M 3
#4 Rodal Ralph B 3
#5 Ralph Rodal 3
#6 Powell Russell W 3
#7 Schrolucke Virgil H 3
#8 Jackson Hunt Stuart 2
#9 Opel Earl E 2
#10 Swanson Floyd A 2

Latest patents

Publication Filing date Title
US4076339A Air bearing assembly for rotational table
US3384953A Automatic tool changer
US3403481A Honing assembly including abrasive holder
US3334366A Combination drilling and tapping spindle
US3300010A Rotational positioning means
US3325161A Static locating arbor
US3334881A Gear tooth hardening machine indexing mechanism
US3289356A Work locating means
US3279321A Screw feed machine unit
US3075414A Diaphragm clamping device
US3115348A Positive drive for rotatable tools
GB901259A Improvements in or relating to injection moulding machines
US3013363A Honing apparatus
US2983957A Molding machine die locating means and method
GB843328A Improvements in and relating to control devices for hydraulic rams
US3032932A Honing apparatus control means
US3025642A Honing apparatus
US2878648A Molding machine ram and valve construction
GB815660A Improvements in or relating to a molding machine
GB820644A Improvements in or relating to control mechanism for an injection molding machine