WATTERS JOHN HENRY has a total of 12 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States. Its main competitors in its focus markets transport and chemical engineering are WALKER RUDOLF ING, LOCOMOTIVE BOOSTER COMPANY and HANLON JOHN HENRY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Locomotives | |
#2 | Vehicle wheels | |
#3 | Separation |
# | Name | Total Patents |
---|---|---|
#1 | Watters John Henry | 12 |
Publication | Filing date | Title |
---|---|---|
US1151634A | Tank valve and strainer. | |
US1127555A | Track-sander. | |
US999532A | Feed-water-strainer valve. | |
US957019A | Track-sander. | |
US960460A | Vehicle-wheel. | |
US956459A | Vehicle-wheel. | |
US803258A | Track-sander. | |
US785284A | Track-sanding device. | |
US773909A | Track-sander. | |
US736895A | Track-sanding device. | |
US691993A | Track-sanding device. | |
US658494A | Track-sanding device. |