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ANNA WELDING CORP

Overview
  • Total Patents
    18
About

ANNA WELDING CORP has a total of 18 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United Kingdom, United States and Australia. Its main competitors in its focus markets machine tools are BAOSTEEL TAILORED BLANKS GMBH, CHONGQING JINGYUE MECHANICAL EQUIPMENT CO LTD and SP K B PSKOVSKOGO Z TYAZHELOGO.

Patent filings in countries

World map showing ANNA WELDING CORPs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 United States 4
#3 Australia 2
#4 Germany 2
#5 Norway 2
#6 Belgium 1
#7 Canada 1
#8 France 1
#9 Netherlands 1

Patent filings per year

Chart showing ANNA WELDING CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Focus technologies

# Technology
#1 Soldering, welding and flame cutting

Top inventors

# Name Total Patents
#1 Berghof Ernest H 6
#2 Berghof E H 2
#3 Berghof E 2
#4 Berghof Ernest 1

Latest patents

Publication Filing date Title
AU7650474A Apparatus for underwater arc welding
US3905234A Underwater welding test chamber
US3794804A Method for underwater arc welding
US3740518A Apparatus for arc welding
FR2164966A5 Underwater arc welding - high pressure gas envelope for preventing water entering arc and weld
GB1377759A Apparatus for underwater arc welding
GB1377757A Method and apparatus for underwater arc welding
GB1377760A Method and apparatus for underwater arc welding
GB1377758A Method of underwater arc welding
CA941910A Method and apparatus for underwater arc welding
DE2166920A1 Underwater arc welding - high pressure gas envelope for preventing water entering arc and weld
AU3574771A Method and apparatus for underwater arc welding
US3632950A Method and apparatus for underwater arc welding