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LOU OBSTFELD

Overview
  • Total Patents
    25
About

LOU OBSTFELD has a total of 25 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets machine tools, mechanical elements and machines are BUKAMA GMBH, HERBERT BEHREND and SAMSON POWER TOOL CO LTD.

Patent filings in countries

World map showing LOU OBSTFELDs patent filings in countries
# Country Total Patents
#1 United States 20
#2 United Kingdom 5

Patent filings per year

Chart showing LOU OBSTFELDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 William Drypolcher 11
#2 Lou Obstfeld 5
#3 Schmidt Frederick W 2
#4 Saul Lester 1
#5 Pilblad Eric J 1
#6 Solomon Michael 1
#7 Fancher Charles J 1
#8 Otto Attula 1
#9 John Fancher 1

Latest patents

Publication Filing date Title
US2726391A Magazine and feed means for stapling machines
US2687061A Staple for stapling machines
US2691778A Staple driving machine
GB599798A Improvements in staple
US2357637A Staple
US2268102A Staple feed mechanism for fastener applying instruments
GB539153A Improvements in staple removers
US2289308A Stapling machine
GB528720A Improvements in stapling tools of the pliers type
US2202984A Staple remover
GB519606A Improvements in or relating to stapling machines
US2265361A Lever operated staple driver
US2233958A Combination stapling machine and tacker
US2224461A Staple strip
US2289307A Stapling machine
US2227826A Stapling machine
US2131473A Stapling machine
US2037461A Stapling machine
US2083227A Stapling machine
US2033516A Stapling machine