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DIEMER DONALD J

Overview
  • Total Patents
    14
About

DIEMER DONALD J has a total of 14 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, Italy and Brazil. Its main competitors in its focus markets machine tools, mechanical elements and machines are PFD LTD, HYOLIM HI FORGING CO LTD and SUNGJIN FO-MA INC.

Patent filings in countries

World map showing DIEMER DONALD Js patent filings in countries
# Country Total Patents
#1 United States 4
#2 Italy 3
#3 Brazil 2
#4 Canada 2
#5 Japan 2
#6 Germany 1

Patent filings per year

Chart showing DIEMER DONALD Js patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Diemer Donald J 12
#2 Delio Ralph D 11
#3 Donarudo Jiei Deiimaa 2
#4 Rarufu Dei Derio 1
#5 Delio Ralph Donald 1

Latest patents

Publication Filing date Title
BR8403095A Process and apparatus for burning simultaneously crushing crushes from an external surface and an internal hole of a forged and process and apparatus for burning simultaneously a peripheral flange and an internal hole of a forged piece
JPS613624A Method and device for trimming forging
IT8448315D0 Method for trimming forging
DE3420201A1 Method and apparatus for removing excess material from forgings
CA1209382A Method and apparatus for trimming forgings
US4413496A Method of making flanged track tractor roller for off-highway equipment
US4413499A Rolling key lock for forging die and press
US4425779A Method of making single or double flanged track tractor roller for off-highway equipment
US4294101A Method of making single or double flanged track tractor roller for off-highway equipment