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RISBRIDGER W & J LTD

Overview
  • Total Patents
    34
About

RISBRIDGER W & J LTD has a total of 34 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United Kingdom, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets packaging and shipping, mechanical elements and measurement are FRANKLIN FUELING SYSTEMS INC, W H HEATH LTD and JEAN FRANCOIS ROLLAND.

Patent filings in countries

World map showing RISBRIDGER W & J LTDs patent filings in countries

Patent filings per year

Chart showing RISBRIDGER W & J LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Risbridger Barry Charles 9
#2 Risbridger Barry C 7
#3 Chawner Paul Richard 4
#4 Stuart Graham Mansfield 2
#5 Stuart Graham M 1

Latest patents

Publication Filing date Title
GB9802325D0 Quick release vent cap
US5899227A Air transfer valve for fuel storage tanks
GB9721483D0 Fuel storage tanks
GB9711355D0 Fuel delivery shear valve
GB9709587D0 Overfill protection for fuel tanks
GB9708056D0 Air transfer valve
GB9701951D0 Damped float valve
WO9728083A2 System for limiting the loss of vapour from petrol storage and delivery installations
GB9619580D0 Overfill prevention device for fuel tanks
GB9602087D0 Float valve
GB9602110D0 Road tanker line - fuel storage tank line coupling with valve(s)
GB9602088D0 Valve in vapour recovery line of fuel delivery system
GB9411401D0 A securing cage for an overfill prevention device
GB9411402D0 Pressure vacuum vent cap
GB9625349D0 Overpressure valve for storage tanks
GB9404102D0 Dipstick tubes
GB9326359D0 Shut-off valve for use in testing pipe lines in petrol pump installations
GB9306893D0 Testing of fuel suction lines
GB9525893D0 Testing of fuel suction lines
GB9304547D0 Combined flange and seal