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NAT CONTROLS

Overview
  • Total Patents
    85
About

NAT CONTROLS has a total of 85 patent applications. Its first patent ever was published in 1956. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets measurement, machines and textiles and paper are KARPA MICHAEL J, STANDARD COMPUTING SCALE COMPANY LTD and WINSLOW MARLON H.

Patent filings in countries

World map showing NAT CONTROLSs patent filings in countries

Patent filings per year

Chart showing NAT CONTROLSs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Rock Frank C 10
#2 Rock Frank Charles 6
#3 Schwartz Linus G 5
#4 Hanson Harlan B 4
#5 Rock F C 4
#6 Ebbinge Willem 4
#7 Sommer Thomas R 4
#8 Maffia Doro 3
#9 Rock F 3
#10 Lewis Howard Bradbury 3

Latest patents

Publication Filing date Title
US4660662A Digital electronic scale with stabilized display
US4611677A Shock proof scale
CA1112893A Capacitive load cell and method of manufacture
US4237989A Capacitive load cell and method of manufacture
GB2014744A Force multiplying load cell
US4138197A Key actuator
US4129815A Postal meter actuator
US4107985A Load cell
US4139070A Dual platform counting scale
JPS52128185A Counting scale
CH613519A5 Method for determining the number of objects in a group and apparatus for implementing the method
DE2614766A1 Group counting article on balance - uses digital processing of wt. signal to derive item reference wt.
GB1517231A Counting scale and method
CA1046538A Counting scale and method
US4043412A Counting scale and method
US4036316A Computing scale and method with taring capability
US4009604A Pressure converter for calibrating gauges
US3951221A Computing postal scale
US3853267A Digital subtraction system and method for determining net weight
US3842923A Overhead track scale