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RAMSEY CORP

Overview
  • Total Patents
    404
About

RAMSEY CORP has a total of 404 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets mechanical elements, machines and engines, pumps and turbines are POWER RES CORP, MUSKEGON PISTON RING CO INC and WILKENING MFG CO.

Patent filings in countries

World map showing RAMSEY CORPs patent filings in countries

Patent filings per year

Chart showing RAMSEY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Marien Melvin W 53
#2 Mccormick Harold E 52
#3 Prasse Herbert F 51
#4 Mccormick Harold Edward 25
#5 Prasse H 22
#6 Mccormick H 17
#7 Prasse Herbert Frederick 17
#8 Mayhew Donald J 14
#9 Mc Cormick H 9
#10 Anderson Roy D 9

Latest patents

Publication Filing date Title
JPS5743980A Plasma jet spray alloy
DE3031583A1 Plasma spray powder coated piston rings - with coating of iron, molybdenum and silicon
CA1165152A Iron/silicon extended molybdenum plasma spray powder
GB2082203A Iron/silicon extended molybdenum plasma spray powder
US4299401A Piston ring and method of making same
US4248440A Titania-alumina-yttria piston ring facing
US4251599A Ferrous metal body coated with an alloy formed by an iron/silicon extended molybdenum plasma spray powder
CA1079765A Low friction balanced piston ring
US4305348A Seal for an internal combustion engine
US4214762A Rolled metal piston ring
US4182579A Retaining ring
US4115959A Method for increasing the life of silicon carbide grinding wheels
US4079949A Integral spring piston ring
US4085490A Method of making a rolled metal piston ring
NL7602703A Oil scrap spring from one single steel strap.
JPS52109021A Piston ring
AU1176476A Rolled metal piston ring
IE42315B1 Oil control piston ring
GB1535378A Rolled metal piston ring
DE2609229A1 Oil scraper ring for internal combustion engine pistons - is supported by split elements