Downhole seal apparatus and method thereof
US-9540899-B1 · Jan 10, 2017 · US
Doane James C patents
Doane James C holds 9 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 9 |
| Recent patents | 0 |
| First publication | Mar 3, 2015 |
| Latest publication | Jan 10, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Packer setting mechanism
US-9447649-B2 · Sep 20, 2016 · US
Removable fracturing plug of particulate material housed in a sheath set by expansion of a passage through the sheath
US-9255461-B2 · Feb 9, 2016 · US
Removable fracturing plug of particulate material housed in a sheath set by relative end movement of the sheath
US-9109425-B2 · Aug 18, 2015 · US
Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons
US-9068413-B2 · Jun 30, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Downhole seal apparatus and method thereof
US-9540899-B1 · Jan 10, 2017 · US
Packer setting mechanism
US-9447649-B2 · Sep 20, 2016 · US
Removable fracturing plug of particulate material housed in a sheath set by expansion of a passage through the sheath
US-9255461-B2 · Feb 9, 2016 · US
Removable fracturing plug of particulate material housed in a sheath set by relative end movement of the sheath
US-9109425-B2 · Aug 18, 2015 · US
Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons
US-9068413-B2 · Jun 30, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| E21B33/1295 | 4 |
| E21B33/128 | 3 |
| E21B33/1208 | 3 |
| E21B23/0422 | 3 |
| E21B23/04 | 3 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Fixed Constructions | 9 |
| Mechanical Engineering | 1 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Doane James C have in patentsdb?
- Doane James C is linked to 9 publications as assignee in our database.
- What technology areas does Doane James C patent most?
- Top mapped technology areas by patent count: Fixed Constructions (9); Mechanical Engineering (1).
- Is Doane James C's patent activity growing?
- In our data, assignee counts were 2 in 2016 and 1 in 2017 (lower year over year).
- What are recent patents assigned to Doane James C?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.