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PACIFIC PRESS & SHEAR CORP

Overview
  • Total Patents
    54
About

PACIFIC PRESS & SHEAR CORP has a total of 54 patent applications. Its first patent ever was published in 1958. 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 KRAUSE ASS F A, OSAKA JACK MFG CO and BW HYDRAULIK GMBH.

Patent filings in countries

World map showing PACIFIC PRESS & SHEAR CORPs patent filings in countries

Patent filings per year

Chart showing PACIFIC PRESS & SHEAR CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pearson Eugene W 9
#2 Richardson R 9
#3 Richardson Rolland A 7
#4 Walford Pearson Eugene 5
#5 A Richardson Rolland 4
#6 Alfred Richardson Rolland 3
#7 Pearson E 3
#8 Blair Castle Jun James 1
#9 Richardson R A 1

Latest patents

Publication Filing date Title
US3805530A Compensated series hydraulic system
US3722366A Precision anti-whip ram type machine
US3659498A Ram attitude control system and valve assembly therefor
US3568498A Guide system for rams in press brakes and the like
US3606671A Method and apparatus for forming pole-like structures
US3524384A Stroke control for ram type machine
US3422727A Two speed ram type machine
US3464320A Decompression system for press brakes or the like
FR1520085A Press brake
GB1114721A Ram attitude control system
US3393635A Independently operable press brakes having tandem coupling means
US3323401A Temperature compensated control means for press brakes and the like
US3371569A Shear machine or the like
US3345897A Hold-down means for a shear machine or the like
US3323348A Multiple opening die and adjusting means therefor
US3229050A External-pressure vessel