Pack off indicator for a wellbore operation
US-12595728-B2 · Apr 7, 2026 · US
Landmark Graphics Corp patents
Landmark Graphics Corp holds 1,067 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 1,067 |
| Recent patents | 178 |
| First publication | Jan 1, 2015 |
| Latest publication | Apr 7, 2026 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Multi-agent, multi-objective wellbore gas-lift optimization
US-12595723-B2 · Apr 7, 2026 · US
Retrofitting existing rig hardware and performing bit forensic for dull bit grading through software
US-12590495-B2 · Mar 31, 2026 · US
Hybrid approach to predictive corrosion/erosion for tubular integrity management
US-2026087212-A1 · Mar 26, 2026 · US
Calculating borehole stability index for drilling operations
US-12571305-B2 · Mar 10, 2026 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Pack off indicator for a wellbore operation
US-12595728-B2 · Apr 7, 2026 · US
Multi-agent, multi-objective wellbore gas-lift optimization
US-12595723-B2 · Apr 7, 2026 · US
Retrofitting existing rig hardware and performing bit forensic for dull bit grading through software
US-12590495-B2 · Mar 31, 2026 · US
Hybrid approach to predictive corrosion/erosion for tubular integrity management
US-2026087212-A1 · Mar 26, 2026 · US
Calculating borehole stability index for drilling operations
US-12571305-B2 · Mar 10, 2026 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G01V20/00 | 306 |
| E21B41/00 | 239 |
| E21B44/00 | 234 |
| G01V99/005 | 201 |
| E21B2200/20 | 198 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 935 |
| Fixed Constructions | 764 |
| Electricity | 28 |
| Mechanical Engineering | 12 |
| Chemistry & Metallurgy | 10 |
| Cross-Sectional Technologies | 9 |
| Operations & Transport | 8 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Landmark Graphics Corp have in patentsdb?
- Landmark Graphics Corp is linked to 1,067 publications as assignee in our database.
- What technology areas does Landmark Graphics Corp patent most?
- Top mapped technology areas by patent count: Physics (935); Fixed Constructions (764); Electricity (28).
- Is Landmark Graphics Corp's patent activity growing?
- In our data, assignee counts were 72 in 2024 and 52 in 2025 (lower year over year).
- What are recent patents assigned to Landmark Graphics Corp?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.