MUSKEGON PISTON RING CO INC innovation strategy

Patent filings in countries

#	Technology
#1	Pistons and sealings
#2	Unspecified technologies
#3	Unspecified technologies
#4	Metal-working
#5	Grinding or polishing devices
#6	Accessories for machine tools
#7	Gas-flow silencers for machines
#8	Pipes
#9	Tools for connecting or disengaging
#10	Shafts

Publication	Filing date	Title
US4268046A	1979-02-23	Multiple seal stationary sealing ring
US4226430A	1978-12-05	Two-piece oil control ring
GB1284813A	1970-06-19	A parted piston ring and a latch
ES375903A1	1970-01-26	A guide system for the extremos of the aros or segments for embolos with expansive devices. (Machine-translation by Google Translate, not legally binding)
GB1267854A	1969-07-16	Piston ring latch
DE1809253A1	1968-11-15	Wear-resistant piston ring
US3377682A	1965-10-21	Method for stretching separated piston rings
US3384278A	1965-10-21	Method and apparatus for separating the segments of scored piston rings
US3355180A	1965-10-08	Narrow groove piston ring
US3371938A	1965-08-16	Piston rings
DE1550045A1	1965-06-25	Piston ring
DE1272654B	1965-06-25	One-piece, slotted piston ring
GB1045419A	1965-06-22	Piston rings
US3253836A	1965-03-25	Combination oil and compression ring
DE1475758A1	1965-01-19	Piston rings and processes for their manufacture
US3346264A	1965-01-18	Oil rings
US3241219A	1964-04-20	Method of making piston rings
US3193285A	1964-04-20	Piston ring
GB1043662A	1964-01-20	Method of making piston rings
US3212785A	1964-01-13	Oil ring