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PIPER EDWARD S

Overview
  • Total Patents
    16
About

PIPER EDWARD S has a total of 16 patent applications. Its first patent ever was published in 1904. It filed its patents most often in Canada and United States. Its main competitors in its focus markets transport are SEDGWICK HIRAM G, SIEMENS SIGNALLING COMPANY LTD and WERNER LOUIS CHARLES.

Patent filings in countries

World map showing PIPER EDWARD Ss patent filings in countries
# Country Total Patents
#1 Canada 15
#2 United States 1

Patent filings per year

Chart showing PIPER EDWARD Ss patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

Top inventors

# Name Total Patents
#1 Piper Edward S 16
#2 Voute Charles A 1

Latest patents

Publication Filing date Title
CA93833A Hood and smoke pipe for locomotive round house
US761902A Train-order signal.
CA87848A Train order signal
CA5733A Refrigerator
CA19269A Semaphore and other elevated signal lights
CA17569A Signal lamp
CA8853A Metallic sign for street lamps
CA5728A Improvements on bedsteads for invalids
CA18386A Lamp case
CA34427A Railway signal
CA21964A Lamp case
CA47342A Life saving guard for cars
CA24280A Combined railroad semaphore and safety road gate
CA12393A Refrigerator
CA11614A Improvements in street and other lamps
CA13128A Improvements on lamps