Methodology for annular solids and fluids differentiation through integration of shear and flexural ultrasonic acoustic waves
US-11899036-B2 · Feb 13, 2024 · US
This page is not indexed by search engines while we improve data quality.
Patterson Douglas patents
Patterson Douglas holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 1 |
| First publication | Jan 6, 2015 |
| Latest publication | Feb 13, 2024 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Methodology for annular solids and fluids differentiation through integration of shear and flexural ultrasonic acoustic waves
US-2022178804-A1 · Jun 9, 2022 · US
Well integrity smart joint
US-2022034172-A1 · Feb 3, 2022 · US
Hydraulic module including a pump housing with surface-connected pump elements
US-8925440-B2 · Jan 6, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Methodology for annular solids and fluids differentiation through integration of shear and flexural ultrasonic acoustic waves
US-11899036-B2 · Feb 13, 2024 · US
Methodology for annular solids and fluids differentiation through integration of shear and flexural ultrasonic acoustic waves
US-2022178804-A1 · Jun 9, 2022 · US
Well integrity smart joint
US-2022034172-A1 · Feb 3, 2022 · US
Hydraulic module including a pump housing with surface-connected pump elements
US-8925440-B2 · Jan 6, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| E21B47/005 | 3 |
| E21B47/07 | 3 |
| G01V1/46 | 2 |
| G01N2291/2636 | 2 |
| G01N29/11 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Fixed Constructions | 3 |
| Physics | 2 |
| Operations & Transport | 1 |
| Mechanical Engineering | 1 |