LONGHORN CASING TOOLS INC has a total of 11 patent applications. Its first patent ever was published in 2011. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets civil engineering are JIANGSU JINFENG PETROLEUM MACHINERY MANUFACTURE CO LTD, NIPPON BEESU KK and UMPHRIES DON.
# | Industry | |
---|---|---|
#1 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Earth drilling |
# | Name | Total Patents |
---|---|---|
#1 | Gosselin Randall E | 4 |
#2 | Gosselin Randy | 4 |
#3 | Randall E Gosselin | 2 |
#4 | Springer Duwayne | 2 |
#5 | Trevor James Montgomery | 1 |
#6 | Montgomery Trevor J | 1 |
#7 | Duwayne Springer | 1 |
#8 | Gosselin Randall | 1 |
#9 | Montgomery Trevor James | 1 |
Publication | Filing date | Title |
---|---|---|
US2016348472A1 | Drillable and resettable wellbore obstruction-clearing tool | |
US2016326821A1 | Reciprocating wellbore obstruction-clearing tool and bailer | |
CA2905493A1 | Casing landing and cementing tool and methods of use | |
BR112012017840A2 | well clearing tool and method of use |