COWING JOHN PHILO has a total of 11 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, mechanical elements and transport are SHAN GUOZHU, VLCEK PETR ING and KAWAGUCHI METAL IND CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 2 | |
#3 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Mechanical elements | |
#3 | Transport | |
#4 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Construction of bridges | |
#2 | Toys | |
#3 | Shafts | |
#4 | Wing fittings | |
#5 | Guiding railway traffic |
# | Name | Total Patents |
---|---|---|
#1 | Cowing John Philo | 11 |
Publication | Filing date | Title |
---|---|---|
US754751A | Conical roller-bearing. | |
US738297A | Automatic derailer for drawbridges. | |
US672848A | Revolving lift-bridge. | |
CA70265A | Bascule lift bridge | |
US665405A | Bascule-bridge. | |
GB190004537A | Improvements in Bascule Bridges. | |
US653729A | Gate for drawbridges. | |
GB189923211A | Improvements in Bascule Lift Bridges. | |
CA65772A | Bascule bridge | |
US644405A | Bascule lift-bridge. | |
US633811A | Bascule lift-bridge. |