BRITISH PISTON RING COMPANY LT innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United Kingdom	31

#	Industry
#1	Mechanical elements
#2	Materials and metallurgy
#3	Engines, pumps and turbines
#4	Surface technology and coating

#	Technology
#1	Pistons and sealings
#2	Alloys
#3	Working metallic powder
#4	Metal tempering
#5	Special machines
#6	Cylinders for combustion engines
#7	Foundry moulding
#8	Electrolytic coating production

Publication	Filing date	Title
GB970213A	1962-07-13	Pistons
GB961783A	1962-06-20	Composite piston rings
GB979414A	1961-10-17	Improvements in or relating to ferrous material
GB928862A	1961-03-23	Piston rings
GB894380A	1960-02-11	Pistons
GB861832A	1958-12-19	Piston rings
GB726954A	1952-10-03	Piston rings
GB710950A	1951-06-25	Piston rings
GB701981A	1950-12-15	Oil scraping or sealing means on pistons, shafts or plungers
GB664000A	1949-09-01	Improvements relating to piston rings
GB662213A	1949-09-01	Improvements relating to piston rings
GB665233A	1949-07-18	Improvements relating to pistons for internal combustion engines
GB664114A	1949-07-18	Improvements relating to piston rings
GB647629A	1948-11-18	Improvements in and relating to the manufacture of articles made from cast iron
GB640845A	1948-08-18	Improvements relating to cylinder liners
GB630656A	1947-08-14	Improvements in or relating to piston rings
GB620705A	1946-08-13	Electro-deposition of metal on the peripheral surfaces of rings or discs
GB605667A	1946-01-03	Improvements in and in the manufacture of piston and like packing rings
GB594918A	1945-07-04	Improvements in the manufacture of piston and like rings
GB581712A	1945-02-23	Improvements in and in the manufacture of piston and like packing rings