Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
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Evans Robert W — Fixed Constructions
Evans Robert W holds 2 patents in Fixed Constructions, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Evans Robert W |
| Technology | Fixed Constructions |
| Patents in slice | 2 |
| Recent patents in slice | 0 |
| First year | 2016 |
| Last year | 2016 |
Representative patents
Notable publications linking Evans Robert W to Fixed Constructions.
Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
Double-acting shock damper for a downhole assembly
US-9328567-B2 · May 3, 2016 · US
Recent filings
Latest patents from Evans Robert W in Fixed Constructions.
Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
Hydraulic/mechanical tight hole jar
US-9428980-B2 · Aug 30, 2016 · US
Double-acting shock damper for a downhole assembly
US-9328567-B2 · May 3, 2016 · US
Related pages
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