Learn more

ROCKFORD DRILLING MACHINE COMPANY

Overview
  • Total Patents
    17
About

ROCKFORD DRILLING MACHINE COMPANY has a total of 17 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States. Its main competitors in its focus markets machines, mechanical elements and machine tools are POWER MATIC CORP, SOLLER EUGEN and KERK MOTION PROD.

Patent filings in countries

World map showing ROCKFORD DRILLING MACHINE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Milne Robert 13
#2 Morgan Everette K 3
#3 Newton Harry B 2
#4 Thelander Charles A 1

Latest patents

Publication Filing date Title
US1180067A Belt-shifter.
US1180063A Belt-shifter.
US1184481A Belt-shifter.
US1180062A Feed for drill-spindles.
US1119625A Feed for drill-spindles.
US1008182A Gearing for drill-presses.
US1063572A Feed for drill-spindles.
US1017441A Gearing.
US983745A Locking device for shiftable members.
US983746A Feed mechanism for drill-spindles.
US945571A Safety-clutch for drill-feeds.
US981870A Trip mechanism for drilling-machines.
US940342A Differential positive-feed mechanism.
US913417A Gearing.
US968489A Centering-machine.
US968488A Gearing.
US928780A Tapping attachment for drilling-machines.