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HYDRA LOCK CORP

Overview
  • Total Patents
    29
About

HYDRA LOCK CORP has a total of 29 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machine tools, machines and mechanical elements are TSUCHIYA YOSHIFUMI, KUMMER PIERRE and BUCK TOOL CO.

Patent filings in countries

World map showing HYDRA LOCK CORPs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 5
#3 Germany 5
#4 United Kingdom 3
#5 France 2
#6 Italy 1

Patent filings per year

Chart showing HYDRA LOCK CORPs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Andre William M 14
#2 Laube Robert 11
#3 Irwin Sr Bruce W 3
#4 Andre Sr Eugene R 2
#5 Irwin Bruce W Sr 2
#6 Schmeisl John P 2
#7 Irwin Sen Bruce W 1
#8 Robert Andre Eugene 1
#9 Martin Rautio John 1
#10 Dietz Richard A 1

Latest patents

Publication Filing date Title
US2008116649A1 Hydrostatically actuated workholding apparatus with high expansion and recovery sleeve
US7331583B1 Workpiece holder with a multi-piece bladder
US2006131820A1 Hydrostatic workpiece holder with a removable cartridge assembly
US2006097463A1 Mechanically actuated workpiece holder including a plastic collet
US7374178B2 Workpiece holder
US7147232B2 Workpiece holder
US6000687A Actuator for hydraulic tool holder
US6077003A Tool holder
US6015154A Large displacement hydrostatic workpiece holder
US5944325A Mechanically actuated hydrostatic tool holder
ITRM960308A1 Reamer chuck and expander tool holder - has hydraulic actuator which forces sleeve radially inward to retain shank of centre tool
US5516243A Reamer chuck and tool expander
US5286042A Tool holder with centering adjustment
US5088746A Zero-deflection support chuck
GB1277096A Improvements in or relating to hydrostatic work-holding devices