HAMILTON ALFRED E innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	24
#2	Canada	3

#	Industry
#1	Machine tools
#2	Machines
#3	Electrical machinery and energy
#4	Engines, pumps and turbines
#5	Mechanical elements

#	Technology
#1	Grinding or polishing devices
#2	Unspecified technologies
#3	Grinding tools
#4	Unspecified technologies
#5	Manufacturing processes
#6	Venting or aerating devices
#7	Capacitors and switching devices
#8	Accessories for machine tools
#9	Rolling metal
#10	Rotary-pistons

#	Name	Total Patents
#1	Hamilton Alfred E	27
#2	Stempel Laszlo M	1

Publication	Filing date	Title
US2722087A	1953-12-04	Billet grinding apparatus
US2536444A	1949-03-08	Grinding and polishing apparatus
US2481588A	1947-10-08	Grinding and polishing machine of the rotary-tool type
US2540367A	1947-07-05	Method of grinding and finishing strip metal
US2483278A	1946-03-23	Grinding roll
US2483279A	1946-03-23	Grinding apparatus
US2448884A	1946-03-19	Abrasive roll
US2442042A	1946-03-19	Grinding apparatus
US2483277A	1946-02-11	Apparatus for grinding
US2368760A	1943-10-15	Grinding roll
US2401422A	1943-08-25	Contour cutting apparatus
US2358572A	1943-01-18	Grinding apparatus
US2340121A	1942-10-07	Grinding apparatus
US2285966A	1941-04-16	Roll handling apparatus
US2302120A	1941-03-07	Grinding and polishing apparatus
US2282723A	1939-11-22	Method of finishing metal sheets
US2269197A	1939-09-20	Grinding and polishing apparatus
US2123171A	1936-11-14	Polishing apparatus
US2156453A	1936-07-06	Grinding machine
US2113836A	1935-04-06	Polishing apparatus