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YORKSHIRE IMPERIAL METALS LTD

Overview
  • Total Patents
    79
About

YORKSHIRE IMPERIAL METALS LTD has a total of 79 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United Kingdom, France and Canada. Its main competitors in its focus markets machine tools, thermal processes and machines are PEERLESS OF AMERICA, KARMAZIN JOHN and JOHN KARMAZIN.

Patent filings in countries

World map showing YORKSHIRE IMPERIAL METALS LTDs patent filings in countries

Patent filings per year

Chart showing YORKSHIRE IMPERIAL METALS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hardwick Roy 10
#2 Hardwick R 7
#3 Porter Lance 7
#4 Jackson Kenneth Thomas 5
#5 Jackson K T 5
#6 Porter L 5
#7 Cairns J 3
#8 Berry David John 3
#9 Jackson Kenneth T 2
#10 Berry D 2

Latest patents

Publication Filing date Title
FR2436928A1 Method for forming a seal between two elements of which at least one is a tubular
GB2000067A Method of repairing tube-to-tubeplate joints
US4205422A Tube repairs
GB1556618A Fluid flow control devices
GB1551816A Method of forming a seal between a tubular member and another member
GB1514491A Explosive welding
GB1561637A Composite bodies formed by expansion joining
GB1541410A Plugs for closing openings by explosive welding
GB1512201A Apparatus for electrically testing workpieces
GB1449916A Radiator valve
NL7309402A Hollow reactive metal mfr - eg titanium prods using ductile metal eg copper, between punch and billet
BE801921A Hollow reactive metal mfr - eg titanium prods using ductile metal eg copper, between punch and billet
BE801920A Long products of reactive metal mfr - by coating with a ductile metal
CA1047965A Coating a reactive metal to facilitate working thereof
DE2331871A1 Long products of reactive metal mfr - by coating with a ductile metal
GB1478962A Composite metal elongate product
GB1451047A Insert for use in explosive expansion processes
GB1439141A Method of closing a tubeplate aperture or tube in a tubeplate aperture by explosive welding
GB1439142A Plugs for closing tubeplate apertures or tube bores
AU4244572A Process for forming reactive metal products