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FRITHJOF LEHRE

Overview
  • Total Patents
    17
About

FRITHJOF LEHRE has a total of 17 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets mechanical elements, machines and textiles and paper are WINSOR SHIPPEE, GEORGE GOODMAN LTD and ERICSSON GUSTAF LAMBERT.

Patent filings in countries

World map showing FRITHJOF LEHREs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 United States 4
#3 Germany 3
#4 Finland 1

Patent filings per year

Chart showing FRITHJOF LEHREs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frithjof Lehre 5
#2 Lehre Frithjof 3

Latest patents

Publication Filing date Title
GB777874A A method of fastening buttons to textile articles and an apparatus for effecting such fastening
US2824595A Method of fastening buttons to textile articles
GB738830A Locking nut
US2689993A Thread protector for button fastening threads
GB681537A Improvements in thread protectors for the fastening-threads of buttons
GB672996A Self-locking nuts
US2271267A Self-locking nut
GB534196A Improvements in self-locking nuts
GB505344A Apparatus for providing self-locking screw nuts with incisions
GB499176A Improvements in atomizers for liquids for treating the teeth, mouth and throat
GB505291A Selflocking nut
GB474326A Portable cooking-stoves