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ROCKFORD SERVO CORP

Overview
  • Total Patents
    39
About

ROCKFORD SERVO CORP has a total of 39 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets packaging and shipping, machines and chemical engineering are LUERAFLEX GMBH G LUECKENOTTO, MUELLER FRANZ MASCHF and TOYO MACHINERY CO.

Patent filings in countries

World map showing ROCKFORD SERVO CORPs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 10
#3 Germany 7
#4 United Kingdom 7

Patent filings per year

Chart showing ROCKFORD SERVO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ott Robert W Jr 10
#2 Rule Robert D 6
#3 Bonner William A 3
#4 Ott R 2
#5 D Rule Robert 2
#6 W Ott Jun Robert 2
#7 Vischulis George 2
#8 Ott Jr Robert W 2
#9 Ott Jun Robert W 1
#10 Vischulis G 1

Latest patents

Publication Filing date Title
US4160517A Web aligning apparatus for multi-level web material
US3935979A Web alignment apparatus for multi-level web material
US3976103A Sliding spool type valve and method of making the same
US3724732A Web sensing and guiding apparatus
US3768772A Electro-pneumatic transducer
US3767131A Control apparatus for a web positioning system
US3693855A Web guide apparatus
US3731864A Web guide roller assembly
US3682362A Web edge sensing and guiding apparatus
US3583615A Web guide apparatus
US3581963A Web guide apparatus and method
US3490674A Web alignment apparatus
US3470733A Fluidic sensing apparatus
US3407706A Web edge sensing and control apparatus
US3390823A Web guide apparatus
CA867222A Web guide apparatus
CA902657A Web guide apparatus and method
CA899394A Web guide apparatus
CA870470A Web alignment apparatus
CA875972A Web alignment apparatus