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J E PORTER COMPANY

Overview
  • Total Patents
    20
About

J E PORTER COMPANY has a total of 20 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, packaging and shipping and machines are HUNT HELM FERRIS & CO, ALLITH PROUTY COMPANY and JAYBEE MFG CORP.

Patent filings in countries

World map showing J E PORTER COMPANYs patent filings in countries
# Country Total Patents
#1 United States 20

Patent filings per year

Chart showing J E PORTER COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jacobs William F 11
#2 Yentzer Francis M 2
#3 Burkholder John H 2
#4 Jordan Burton S 2
#5 Buckingham Roswell H 2
#6 Yentzer George W 1

Latest patents

Publication Filing date Title
US1328523A Overhead track
US1384763A Door-hanger
US1205153A Lock for cattle-stanchions.
US1199185A Barn-door track.
US1159388A Hay-carrier.
US1134255A Cattle-stanchion.
US1090541A Barn-door track.
US1090540A Barn-door track.
US1079734A Barn-door-hanger track.
US1080065A Cattle-stanchion.
US1107524A Cattle-stanchion.
US1106512A Hay-carrier.
US1053399A Sliding-door hanger.
US988573A Cross-draft hay-carrier.
US963975A Barn-door hanger.
US981273A Switch-track for hay and other similar carriers.
US981272A Feed and litter carrier.
US895156A Door-hanger.
US795336A Hay-carrier.
US777465A Hay-carrier.