Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
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Perkins Donald — Fixed Constructions
Perkins Donald holds 2 patents in Fixed Constructions, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Perkins Donald |
| Technology | Fixed Constructions |
| Patents in slice | 2 |
| Recent patents in slice | 0 |
| First year | 2015 |
| Last year | 2017 |
Representative patents
Notable publications linking Perkins Donald to Fixed Constructions.
Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
Pressure bearing wall and support structure therefor
US-8997881-B2 · Apr 7, 2015 · US
Recent filings
Latest patents from Perkins Donald in Fixed Constructions.
Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
Well tools incorporating valves operable by low electrical power input
US-9593546-B2 · Mar 14, 2017 · US
Pressure bearing wall and support structure therefor
US-8997881-B2 · Apr 7, 2015 · US
Related pages
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