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WERJEFELT BERTIL R L

Overview
  • Total Patents
    60
  • GoodIP Patent Rank
    133,162
  • Filing trend
    ⇩ 100.0%
About

WERJEFELT BERTIL R L has a total of 60 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1979. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, optics and consumer goods are E I S AIRCRAFT GMBH, WERJEFELT BERTIL and FRADET ERIC.

Patent filings per year

Chart showing WERJEFELT BERTIL R Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Werjefelt Bertil R L 54
#2 Werjefelt Alexander K 21
#3 Werjefelt Christian 20
#4 Jenkins David 5
#5 Bertil R L Werjefelt 3
#6 Yonover Robert N 2
#7 Werjefelt Christian C 1
#8 Werjefelt Alexander K Ak 1
#9 Werjefelt Bertil R L Rl 1
#10 David Jenkins 1

Latest patents

Publication Filing date Title
US2017267362A1 Emergency vision apparatus with hand access
US2017235149A1 Hand-held emergency vision apparatus and system
WO2015106218A1 Oxygen supply with carbon dioxide scrubber for emergency use
US2013107388A1 Emergency vision apparatus with closable hand opening
US2012325961A1 Glare shield equipped with an emergency vision apparatus
US2011019297A1 Emergency vision apparatus with distributed stowage space
US2011001796A1 Electro-optical emergency vision apparatus
US2009279196A1 Emergency vision apparatus
US2006209441A1 Gas activated emergency vision device
US8573514B1 Smoke evacuation device
BR0107910A Emergency supplementary vision device
AU3275601A Emergency vision apparatus
AU5736994A Magnetic battery
US4437318A Environmental control system and method