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RICHARD SEIFRIED

Overview
  • Total Patents
    12
About

RICHARD SEIFRIED has a total of 12 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and mechanical elements are DRO ENGINEERING COMPANY DI, KRAUSE ASS F A and SMEETS GERARD G F.

Patent filings in countries

World map showing RICHARD SEIFRIEDs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Canada 5
#3 United Kingdom 1

Patent filings per year

Chart showing RICHARD SEIFRIEDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gray Landon R 7
#2 Smith Harry P Jr 4
#3 Kramer David C 3
#4 Wheeler Walter G 3
#5 Smith Jr Harry P 3
#6 Wheeler Walter George 1
#7 Smith Harry P 1
#8 Gray Landon Roberts 1
#9 Kramer David Chester 1

Latest patents

Publication Filing date Title
US2749711A Hydraulic pressure-proportioning means
GB732819A Stretch-wrap forming machine
US2676639A Stretch-forming machine
US2676638A Stretch-wrap forming machine
US2739634A Stretch-forming machine
US2612057A Feed screw releasing means
US2632493A Position-controlling means for gripping jaws
CA507870A Feed screw releasing means
CA520443A Stretch-forming machine
CA517463A Stretch-wrap forming machine
CA500428A Stretch-forming machine
CA526389A Stretch-forming machine