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WAGSTAFF ENGINEERING INC

Overview
  • Total Patents
    23
About

WAGSTAFF ENGINEERING INC has a total of 23 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets materials and metallurgy are WAGNER KARL FRIEDRICH, LABOD BURKHARD and TUCNIK DRAHOMIR.

Patent filings in countries

World map showing WAGSTAFF ENGINEERING INCs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 4
#3 Australia 3
#4 United Kingdom 2
#5 Norway 2
#6 Switzerland 1
#7 Germany 1
#8 EPO (European Patent Office) 1
#9 France 1
#10 Sweden 1

Patent filings per year

Chart showing WAGSTAFF ENGINEERING INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy

Focus technologies

# Technology
#1 Casting metal

Top inventors

# Name Total Patents
#1 Wagstaff Frank E 20
#2 Collins Richard J 11
#3 Wagstaff William G 10
#4 Wagstaff Frank Everton 2
#5 Fort David A 2
#6 Fort David Allan 2
#7 Wagstaff Willian G 1
#8 Collins R J 1
#9 Wagstaff F E 1
#10 Wagstaff W G 1

Latest patents

Publication Filing date Title
US5119883A Apparatus and process for direct cooling an emerging ingot with gas-laden coolant
US5040595A Means and technique for direct cooling an emerging ingot with gas-laden coolant
US4947925A Means and technique for forming the cavity of an open-ended mold
US4693298A Means and technique for casting metals at a controlled direct cooling rate
US4598763A Direct chill metal casting apparatus and technique
US4597432A Molding device
GB8304236D0 Direct chill casting
AU8138382A Molding device
US4421155A Machine duplicatable, direct chill flat ingot casting mold with controlled corner water and adjustable crown forming capability