System and method for damping forces exerted on a cable
US-12366277-B2 · Jul 22, 2025 · US
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Holen Dag patents
Holen Dag is listed as an inventor on 15 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Holen Dag |
| Total patents | 15 |
| First publication | Nov 2, 2017 |
| Latest publication | Jul 22, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Automated fingerboard for a drilling rig
US-12312884-B2 · May 27, 2025 · US
System and method for damping forces exerted on a cable
US-2024309926-A1 · Sep 19, 2024 · US
System and method for damping forces exerted on a cable
US-12000456-B2 · Jun 4, 2024 · US
Automated fingerboard for a drilling rig
US-2024003204-A1 · Jan 4, 2024 · US
Guide arm
US-11846141-B2 · Dec 19, 2023 · US
Pipe handling system and method
US-11613932-B2 · Mar 28, 2023 · US
System and method for damping forces exerted on a cable
US-2022196104-A1 · Jun 23, 2022 · US
Handling tool for casing tongs
US-11306549-B2 · Apr 19, 2022 · US
Guide arm
US-2022034176-A1 · Feb 3, 2022 · US
Recent patents
Latest publications not already listed above.
Pipe handling system and method
US-2022025715-A1 · Jan 27, 2022 · US
Top-mounted hoist for use in a derrick or drilling mast of an oil and gas rig
US-11097929-B2 · Aug 24, 2021 · US
Top-Mounted Hoist for Use in A Derrick or Drilling Mast of An Oil and Gas Rig
US-2020290850-A1 · Sep 17, 2020 · US
Pipe transport system and method
US-10513895-B2 · Dec 24, 2019 · US
Pipe transport system and method
US-2017314348-A1 · Nov 2, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cameron Int Corp | 11 |
| Schlumberger Technology Corp | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B19/14 | 9 |
| E21B19/02 | 7 |
| E21B19/24 | 6 |
| E21B15/00 | 6 |
| F16F2230/0047 | 4 |