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GREENLAW MFG CO

Overview
  • Total Patents
    11
About

GREENLAW MFG CO has a total of 11 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, chemical engineering and machines are JIANGSU XINSHENG BELLOW CO LTD, LI DEEN and ENGDAHL BJOERN.

Patent filings in countries

World map showing GREENLAW MFG COs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing GREENLAW MFG COs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Pipes
#2 Cleaning
#3 Unspecified technologies

Top inventors

# Name Total Patents
#1 Greenlaw Warren A 7
#2 Jewett Robert A 2
#3 Greenlaw Warren Alfred 2
#4 Greenlaw Arthur L 2
#5 Royce Harrison A 1

Latest patents

Publication Filing date Title
US1053910A Locking device for train-pipe couplings.
US1044644A System of train-pipe connections.
US1015435A Train-pipe connection.
US993774A Rotary pipe-joint.
US1001588A System of train-pipe connections.
US961699A Train-pipe coupling.
US939908A Flexible pipe-joint.
US887935A Device for cleaning boiler-tubes.
US897460A Flexible pipe-joint.
US897461A Flexible pipe-joint.
US872121A Flexible pipe-joint.