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POLK JR RALPH

Overview
  • Total Patents
    17
About

POLK JR RALPH has a total of 17 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States. Its main competitors in its focus markets agriculture, machines and control are NAGAOKA SEIKI SEISAKUSHO KK, PACIFIC MACHINERY CO and PARSONS & SONS ENGINEERS LTD.

Patent filings in countries

World map showing POLK JR RALPHs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing POLK JR RALPHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Polk Jr Ralph 17

Latest patents

Publication Filing date Title
US3164944A Sickle bar harvester
US3132734A Fruit preparation machine and method
US3148764A Fruit clamping mechanism
US3117604A Method of loosening seeds in and sectionizing citrus fruit
US3119215A Method and means for filling containers with wedge-shaped units
US3117601A Apparatus for sectionizing citrus fruit
US3144064A Fruit holder for sectionizer
US3029728A Method and means for preparing envelopes for postal marking
US3031067A Apparatus for processing fruit
US3030990A Apparatus for sectionizing citrus fruit
US2791171A Juice extractor
US2812845A Fruit-positioning device for fruit-processing machine
US2750878A Juice extractor
US2723823A Bracket for sun visor
US2129101A Apparatus for segmenting integument free fruit segments
US2089503A Means for deseeding fruits
US2089501A Method of deseeding fruits of the naturally segmented type