B annulus acoustic pressure sensing
US-11726224-B2 · Aug 15, 2023 · US
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Freeman James J patents
Freeman James J holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 1 |
| First publication | Jul 30, 2020 |
| Latest publication | Aug 15, 2023 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
B annulus acoustic pressure sensing
US-2020241160-A1 · Jul 30, 2020 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
B annulus acoustic pressure sensing
US-11726224-B2 · Aug 15, 2023 · US
B annulus acoustic pressure sensing
US-2020241160-A1 · Jul 30, 2020 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G01V1/46 | 2 |
| G01L19/0092 | 2 |
| G01V1/48 | 2 |
| G01V1/52 | 2 |
| G01V2001/526 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 2 |
| Physics | 2 |