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CHAMBERSBURG ENG CO

Overview
  • Total Patents
    116
About

CHAMBERSBURG ENG CO has a total of 116 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machine tools, machines and mechanical elements are MASSEY LTD B & S, PNEUMATIC DROP HAMMER COMPANY and HANS BECHE.

Patent filings in countries

World map showing CHAMBERSBURG ENG COs patent filings in countries
# Country Total Patents
#1 United States 64
#2 United Kingdom 17
#3 Germany 12
#4 France 12
#5 Canada 11

Patent filings per year

Chart showing CHAMBERSBURG ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clarke Eugene C 13
#2 Weyer Henry A 13
#3 Frame Charles W 11
#4 Longaker Albert A 9
#5 Derbyshire Henry E 8
#6 Harris Ronald N 7
#7 Crout Charles J 7
#8 Rickrode Paul A 6
#9 Alcorn Jr Robert L 6
#10 Alcorn Robert L Jr 5

Latest patents

Publication Filing date Title
US5715724A Adaptive, self-regulating forging hammer control system
US4718263A Method of controlling output energy in a forging hammer by anticipative sensing of input parameters
US4712404A Method of self-regulating consistency of applied energy in a forging hammer employing input differential
US4712405A Method of self-regulation of output energy of forging hammers using input sensed peak of lifting fluid pressure for correction
US4712415A Method of determining stroke length of a pneumatic forging hammer using sensed peak pressure
US4693101A Adaptive, self-regulating forging hammer control method
US4653300A Adaptive, self-regulating forging hammer control system
US4254663A Method and apparatus for pressing wheels and other members onto and off of an axle
US4245492A Hydraulic pneumatic synchronizing system for counter-blow impact forging hammers
US4131164A Adaptive valve control system for an impact device
US3916499A Hydraulic bearing mounting press
US3818799A Control system for an impact device
US3566747A Self-regulating expansion type control valve
US3489447A Mechanical anvil cap or die key
US3464315A Mechanical pneumatic servo control system for high-speed impact devices
US3261197A Vibration absorbing stress means for horizontal ram impacters
GB986156A Control system for impact devices
US3142206A Control system for impact device
US3043271A Control system for impact device
US3048019A Ram control system