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KOEHRING MACHINE COMPANY

Overview
  • Total Patents
    23
About

KOEHRING MACHINE COMPANY has a total of 23 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, packaging and shipping and civil engineering are WATERLOO CEMENT MACHINERY CORP, RANSOME CONCRETE MACHINERY CO and SEELEMANN & SOEHNE ANTON.

Patent filings in countries

World map showing KOEHRING MACHINE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 3

Patent filings per year

Chart showing KOEHRING MACHINE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lichtenberg Erich H 14
#2 Koehring Philip A 5
#3 Daniel John 1
#4 Robb John F 1
#5 Wetmore Charles P 1
#6 Currie Adam 1

Latest patents

Publication Filing date Title
US1273886A Portable conveyer.
US1253945A Concrete-mixing machine.
US1287648A Grading, separating, and loading machine.
US1287711A Loading and measuring apparatus.
US1298743A Rotary concrete-mixer.
US1264097A Bar-bender.
US1328635A Clutch and brake control mechanism
US1370497A Concrete-distributing machine
US1221756A Hand-operated chute.
US1338761A Timing mechanism for intermittently-fed machines
US1178326A Distributing-chute.
US1177418A Concrete-mixer.
US1227157A Conveyer apparatus.
US1185416A Distributing mechanism for concrete-mixers.
US1103788A Control mechanism for concrete-mixers.
US1107171A Charging device for concrete-mixers.
US1223185A Concrete-mixer-loading bucket.
US1126487A Concrete-mixer.
US1113661A Stop mechanism for concrete-distributers.
US1149922A Water-measuring device.