R L ROSS AND COMPANY LTD innovation strategy

Patent filings in countries

#	Technology
#1	Venting or aerating devices
#2	Unspecified technologies
#3	Physical training equipment
#4	Steam generation
#5	Lubricating
#6	Vehicle tyre repairing
#7	Machines

Publication	Filing date	Title
GB842019A	1957-01-04	Improvements in or relating to diaphragm valves
GB798610A	1954-11-25	Improvements in or relating to safety valves
GB384760A	1931-11-05	Means for regulating or governing the inflation of pneumatic tyres
GB377356A	1931-05-26	Means for attaching and adjusting or straining wire ropes for tennis nets and such like purposes
GB367994A	1931-01-17	Means for attaching or connecting to posts or other anchorages and for adjusting the ends of wire ropes used for supporting tennis nets or other flexible wires or lengths which require to be supported and stretched
GB361123A	1930-11-27	Improvements in and connected with sockets or supports for tennis poles or posts andto the manner of fixing the same
GB354401A	1930-05-13	Improvements in or connected with safety valves
IE11227L	1930-03-20	Safety valves
US1877457A	1930-03-14	Safety valve
US1823651A	1929-11-05	Safety valve
GB328786A	1929-04-25	Improvements in or connected with safety valves
GB325575A	1928-11-22	Safety valves
GB306270A	1928-02-07	Improvements in safety valves
GB311213A	1928-02-07	Improvements in or connected with safety valves
US1665850A	1927-03-16	Safety valve
GB270873A	1926-04-06	Safety valves
GB236721A	1924-06-27	Improvements in and relating to safety valves
GB225661A	1923-10-05	Improvements in safety valves
GB192609A	1922-02-04	Improvements in safety valves
US1404390A	1919-10-30	Safety valve