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PNEUMATIC DROP HAMMER COMPANY

Overview
  • Total Patents
    22
About

PNEUMATIC DROP HAMMER COMPANY has a total of 22 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets machine tools and machines are LAZORKIN VIKTOR ANDRIIOVYCH, LAZORKIN VIKTOR ANDREEVICH and BECHE & GROHS G M B H.

Patent filings in countries

World map showing PNEUMATIC DROP HAMMER COMPANYs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Germany 3
#3 United Kingdom 3
#4 Canada 2
#5 France 1

Patent filings per year

Chart showing PNEUMATIC DROP HAMMER COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Top inventors

# Name Total Patents
#1 Fitzgerald Reginald P 13
#2 Fitzgerald William H J 5
#3 Fitzgerald Josephine M 1
#4 Sahlin Henning G 1

Latest patents

Publication Filing date Title
US2942503A Power operated hammers
US2744315A Method and apparatus for die-forging articles from blanks of normally rigid material
US2612868A Pneumatic drop hammer
US2449647A Drop hammer
US2220037A Double-acting drop hammer
US2220036A Double lift drop hammer
US2263680A Drop hammer
US2195644A Piston rod connection for drop hammers
GB399052A Improvements in and relating to drop hammers
US1990479A Power hammer construction
US1990478A Drop hammer
GB343096A Improvements in and relating to valve mechanism for drop hammers and the like
GB342996A Improvements in and relating to drop hammers
US1924545A Drop hammer
US1720592A Drop hammer
US1722506A Drop hammer
CA361557A Power hammer and press
CA317678A Drop hammer