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WALKER & CO JAMES LTD

Overview
  • Total Patents
    38
About

WALKER & CO JAMES LTD has a total of 38 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets mechanical elements, machines and civil engineering are TEADIT N A INC, TRELLEBORG SEALING SOLUTIONS US INC and WASHIDA AKIRA.

Patent filings per year

Chart showing WALKER & CO JAMES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hankin Alon 4
#2 Elliott Godfrey Duncan 4
#3 Armour James Edward Gordon 4
#4 Winterbottom Stephen 3
#5 Embury Philip D 3
#6 Warren Peter John 3
#7 Page Nigel M 3
#8 Hargreaves Robert Hacking 3
#9 Fryer Joseph William 2
#10 Rogers John 2

Latest patents

Publication Filing date Title
GB0817532D0 An energised seal
GB0813318D0 Fabric coated with peroxide containing fluoroelastomer composition
GB0812998D0 An elastomeric seal having high resistance to rapid gas decompression
GB0809084D0 Valve diaphragm
GB0801328D0 Production of seal, for aircraft, by coating fabric with polysulphide
GB0618231D0 Submergible motor protector bag
CA2462060A1 A lip seal
GB0306963D0 A lip seal
GB0119835D0 Elastomeric products
GB0018500D0 Sealing structure for a rock drill bit
GB1195693A Improvements in or relating to Annular Fluid Pressure Seals
GB1041916A Improvements in or relating to annular fluid pressure seals
GB962301A Improvements in and relating to sealing or packing rings
GB1008657A Improvements in and relating to scraper rings for hydraulic rams
GB903409A An improved gasket and the method of making the same
GB801467A A new or improved industrial mat
GB823765A A new or improved resilient material having predetermined compression characteristics
GB796340A A sole pad for railway rail chairs
GB721040A Improvements relating to annular gaskets for flange joints
GB534402A Improvements relating to packing for glands