DEELY CARROLL L has a total of 12 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering are NORSE OILTOOLS AS, CHERNEJ EDUARD IVANOVICH and WANG JIANBAI.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Earth drilling |
# | Name | Total Patents |
---|---|---|
#1 | Deely Carroll L | 12 |
Publication | Filing date | Title |
---|---|---|
US3180439A | Rotary, expansible bore hole reamers with improved safety features | |
US3127946A | Drill bit | |
US3051255A | Reamer | |
US3092192A | Method of and apparatus for cutting, encasing and retrieving a core of earth formation from a well | |
US3038547A | Drive extension for kelly joints for rotary drilling rigs | |
US2555580A | Core barrel | |
US2606620A | Fishing tool | |
US2490512A | Core barrel | |
US2333847A | Rotary drilling apparatus | |
CA678770A | Drive extension for kelly joints for rotary drilling rigs | |
CA722509A | Drill bit | |
CA678269A | Reamer |