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PHELPS EDWIN SANFORD

Overview
  • Total Patents
    15
About

PHELPS EDWIN SANFORD has a total of 15 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets control, machines and measurement are ILLINOIS LOCK CO, KNOX COMPANY and RAYMOND JAMES W.

Patent filings in countries

World map showing PHELPS EDWIN SANFORDs patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 4
#3 Canada 1

Patent filings per year

Chart showing PHELPS EDWIN SANFORDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Phelps Edwin Sanford 15

Latest patents

Publication Filing date Title
US1263104A Tumbler-lock.
GB191420375A Improvements in or relating to Time Recording Locks or like Mechanism.
US1155679A Time-recording lock.
US1155678A Time-recording lock.
US1112419A Time-recording lock.
US1198953A Recorder.
US1071337A Burglar guard and alarm.
US921157A Vibration-recorder for automobiles and other vehicles.
US1001220A Vibration-recorder for automobiles and other vehicles.
US1138407A Alarm for automobile and other wheel-tires.
GB190515853A Recording Time Lock
GB190504566A Registering Time Padlock.
US709240A Gage for measuring keys for pin-tumbler locks.
GB189812753A Registering Time Lock.
CA245244A Device for practice of golf putting