Learn more

PIPE MACHINERY COMPANY

Overview
  • Total Patents
    50
About

PIPE MACHINERY COMPANY has a total of 50 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and measurement are BARTHOLOMAEUS RUDOLF, BECHLER ANDRE SA and GRIDLEY GEORGE O.

Patent filings in countries

World map showing PIPE MACHINERY COMPANYs patent filings in countries
# Country Total Patents
#1 United States 45
#2 Canada 3
#3 United Kingdom 2

Patent filings per year

Chart showing PIPE MACHINERY COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Herbkersman Earle C 9
#2 Sawdey Neil T 7
#3 Benninghoff William L 6
#4 Robertson Alexander F 4
#5 Appleby Donald O 3
#6 Jennings Edward E 3
#7 Graham Erwin W 3
#8 Satava Donald M 3
#9 Scott James A 2
#10 Muehlhauser Donn W 2

Latest patents

Publication Filing date Title
US3364544A Cut-off tool and chip reforming breaker
US3370355A Profiler
US3319341A Profile indicator and recorder
US3276052A Clutch means engaging rotary tool spindle and rotary feed screw in a single relative angular position
US3349416A Tool carriage positioner and combination thereof with threading machine
US3319340A Profile indicator and recorder
US3276301A Cut off machine for cutting elongated stock into blanks
US3284913A Thread ring gauge with flush pin
US3165768A Double collapse mechanism and combination thereof with pipe cutting and threading machines
US3153250A Positioning and holding apparatus
US3176330A Coolant discharge device for cutting tool
US3176331A High speed carbide chaser set
US3193939A Taper gauge for gauging walls of tapered passages
US3177508A Set of high speed carbide chasers
US3159858A Set of high speed thread cutting carbide chasers
US3184856A Microgauge
US3224535A Pilot clutch
US3083025A Chuck with detachable gripping jaw
US3141356A Indexing mechanism
US3083024A Roll-over chuck