JARVA INC has a total of 12 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States and Germany. Its main competitors in its focus markets civil engineering, mechanical elements and machines are EPIROC CANADA INC, HERRENKNECHT GMBH and HEEREMA HOLDING CONSTRUCTION I.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Germany | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Mechanical elements | |
#3 | Machines | |
#4 | Measurement | |
#5 | Control |
# | Technology | |
---|---|---|
#1 | Shafts | |
#2 | Earth drilling | |
#3 | Unspecified technologies | |
#4 | Shafts | |
#5 | Clutches and brakes | |
#6 | Systems controlling non-electric variables | |
#7 | Foundations and excavations | |
#8 | Dredging | |
#9 | Radio navigation |
# | Name | Total Patents |
---|---|---|
#1 | Snyder Larry L | 3 |
#2 | Fink Trevor | 2 |
#3 | Snyder L | 2 |
#4 | Lipnos Louis L | 1 |
#5 | Gaglione Alfonso T | 1 |
#6 | Spurgeon Weslin | 1 |
#7 | Matlack J | 1 |
#8 | Scaravilli Joseph V | 1 |
#9 | Fink T | 1 |
#10 | Pine Marmon | 1 |
Publication | Filing date | Title |
---|---|---|
US4371211A | Tunnel boring machine and method of operating same | |
US4312541A | Hard rock trench cutting machine having anchoring and steering structure | |
US4189186A | Tunneling machine | |
US4035024A | Hard rock trench cutting machine | |
US3917010A | Small diameter horizontal tunneling machine | |
US3857610A | Gage scraper for birotational tunneling machines | |
US3851718A | Roller cutter | |
US3722957A | Gage scraper | |
US3707330A | Light beam guiding device | |
US3674314A | Gage scraper | |
US3584918A | Articulated torque arm construction |