HARRIGAN PATRICK J has a total of 13 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, civil engineering and audio-visual technology are VALTIONRAUTATIET, OMS OFF MEC STANGA SPA and FORBES JAMES W.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Civil engineering | |
#3 | Audio-visual technology |
# | Technology | |
---|---|---|
#1 | Railway bodies | |
#2 | Rail vehicle suspensions | |
#3 | Machines for making railways | |
#4 | Couplings | |
#5 | Advertising |
# | Name | Total Patents |
---|---|---|
#1 | Harrigan Patrick J | 13 |
Publication | Filing date | Title |
---|---|---|
US1475299A | Railroad tie | |
US1212217A | Boltless tie. | |
US1114350A | Dump-car. | |
CA132641A | Dump car | |
CA126448A | Door and operating mechanism therefor | |
US975861A | Dump car and vehicle. | |
US975860A | Door-operating mechanism. | |
US954096A | Check-holder. | |
US897097A | Dust-guard. | |
US965107A | Safety appliance for car-couplings. | |
US856059A | Journal-box. | |
US826848A | Dust-guard for journal-boxes. | |
US830832A | Stop for journal-boxes. |