Methods and apparatus for virtual competition
US-9108098-B2 · Aug 18, 2015 · US
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Haugen David M patents
Haugen David M holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Feb 17, 2015 |
| Latest publication | Aug 18, 2015 |
Filing trend
Year-over-year patent counts for this assignee.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2015 | 2 |
| Year | Patents |
|---|---|
| 2015 | 2 |
Recent patents
Latest publications where this party is an assignee.
Managed pressure drilling
US-8955619-B2 · Feb 17, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Methods and apparatus for virtual competition
US-9108098-B2 · Aug 18, 2015 · US
Managed pressure drilling
US-8955619-B2 · Feb 17, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| A63B2071/0638 | 1 |
| A63B2220/56 | 1 |
| A63B2220/51 | 1 |
| A63B2230/06 | 1 |
| A63B2220/805 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Human Necessities | 1 |
| Fixed Constructions | 1 |
| Physics | 1 |