BOC LIMITED patents filed

Company number: 00337663

Title	Date Filed	Status	Publication number
Refrigeration method and apparatus	1985-07-10	Ceased	GB2177786
Improvements in stretch wrapping	1984-10-08	Ceased	GB2169260
Heat treatment of metals	1982-09-15	Granted	GB2108156
Cutting apparatus	1982-06-18	Ceased	GB2107631
Method of treating ore	1982-04-16	Granted	GB2098190
Combustion method and apparatus	1982-02-18	Terminated	GB2093367
Rotary positive-displacement fluid-machines	1981-12-09	Terminated	GB2111126
Apparatus and Method for Controlling a Variable in Accordance with a Schedule	1981-10-19	Terminated	GB2087596
Treatment of waste gases	1981-08-19	Terminated	GB2082086
Rotary pumping apparatus	1981-07-15	Ceased	GB2101687
Connecting lengths of track	1981-07-03	Terminated	GB2101057
Cryogenic freezing tunnel control system	1981-05-19	Ceased	GB2076952
Heat treatment of metals	1981-05-01	Granted	GB2076434
Cylinder valve	1981-04-16	Terminated	GB2099944
Mechanism for moving wheels into and out of gear	1981-04-16	Terminated	GB2097085
Separation of a gaseous mixture	1981-03-30	Terminated	GB2073043
Production of a Calorific Gas Mixture	1981-02-19	Terminated	GB2093476
Freezing a liquid	1981-01-27	Ceased	GB2092880
Rotary positive-displacement fluidmachines	1980-12-05	Granted	GB2088957
Treatment of aqueous waste material	1980-11-21	Terminated	GB2088352
Process and apparatus for separation of a gaseous mixture	1980-10-30	Terminated	GB2086258
Rail structure for machine tool	1980-10-02	Granted	GB2084527
Steel making in top-blown converter	1980-08-21	Terminated	GB2057509
Heat treatment method	1980-08-13	Ceased	GB2082634
Method and apparatus for purifying a gas mixture	1980-08-13	Terminated	GB2081864
Hand trolleys	1980-08-06	Terminated	GB2068305
Heat treatment of uncalcined carbon-containing fireclay	1980-07-14	Ceased	GB2056640
Vapour vacuum pumps	1980-04-16	Terminated	GB2074245
Fluid-flow restricting apparatus for mixing fluids	1980-03-21	Granted	GB2049225
Reduction of halogenated ethers	1980-02-29	Ceased	GB2044263
Fluidised bed combustion method	1980-02-20	Granted	GB2046415
Fusible safety device for a pressure vessel	1980-01-31	Terminated	GB2042078
Method and apparatus for penetrating a body of material or treating a surface	1980-01-14	Granted	GB2042399
Method and apparatus for penetrating a body of material or treating a surface	1980-01-14	Granted	GB2042398
Hard alloys	1980-01-04	Granted	GB2039950
Oxygen top blowing in steel making	1979-12-12	Granted	GB2041412
Forcing gas into liquid	1979-09-21	Granted	GB2059273
Coupling or closure	1979-09-21	Granted	GB2063834
Cryopumps	1979-09-17	Ceased	GB2058934
Spraying fluid onto a welding torch	1979-08-13	Terminated	GB2028688
Pressure Regulator	1979-08-01	Terminated	GB2056022
Degassing sewage	1979-08-01	Terminated	GB2026890
Fish farming	1979-08-01	Terminated	GB2030033
Apparatus for attachment to tubular or elongate structural members	1979-07-27	Terminated	GB2027473
Mobile hoists for positioning equipment carried thereby	1979-07-27	Terminated	GB2026982
Refrigeration system	1979-07-27	Granted	GB2027183
Controlling gas-shielded consumable electrode arc welding in dip transfer mode	1979-07-20	Terminated	GB2053762
Apparatus for breaking up the particles and lumps of sand particles for cooling	1979-07-16	Terminated	GB2031313
Method and apparatus for storing a volatile liquid	1979-07-06	Terminated	GB2026859
Control of tool movement	1979-06-14	Terminated	GB2051418
Vacuum Insulated Vessels or Conduits	1979-06-01	Terminated	GB2025029
Gas Separation	1979-05-25	Terminated	GB2018153
Treatment of gas streams to remove condensible vapours	1979-05-04	Terminated	GB2020566
Stress relieving rope	1979-05-01	Terminated	GB2020333
Method and apparatus for storage and transport	1979-04-27	Terminated	GB2018587
Process for melting metal in a vertical shaft furnace	1979-04-17	Terminated	GB2018295
Heat treatment of metal	1979-04-17	Terminated	GB2018299
Self-pressurising cryogenic vessels	1979-04-03	Terminated	GB2045414
Gas-operated motors	1979-03-28	Terminated	GB2018366
Gas-liquid contact process	1979-03-28	Terminated	GB2018731
Catalytic process for so	1979-03-28	Terminated	GB2019367
Vacuum-insulated containers	1979-03-26	Terminated	GB2045413
Chemiluminescence Gas Analysing Apparatus	1979-03-16	Terminated	GB2016679
Heat treatment method	1979-03-16	Terminated	GB2044804
Removing gas from liquid	1979-03-13	Terminated	GB2016947
Controlling depth of weld penetration	1979-03-13	Granted	GB2018471
Gas separation	1979-03-05	Granted	GB2042365
Cooling method	1979-02-23	Granted	GB2044147
Refrigeration system	1979-02-22	Granted	GB2022230
Convertor Steel Making	1978-12-14	Terminated	GB2036803
Fluid storage vessels	1978-12-11	Granted	GB2036905
Air separation by adsorption	1978-12-11	Terminated	GB2011272
Heat treatment method	1978-11-30	Terminated	GB2036802
Treatment of aqueous waste material	1978-11-21	Granted	GB2011369
Dissolving gas in a liquid	1978-11-21	Granted	GB2013095
Drawing block assemblies for wire drawing machines	1978-08-31	Terminated	GB2030907
Fluid supply system including a pressure-swing adsorption plant	1978-08-17	Granted	GB2003742
Method and apparatus for cooling or freezing	1978-06-16	Granted	GB2023789
Edge followers	1978-06-16	Terminated	GB2021259

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