Inventor
Heyn Halfdan Magnus
Inventor
Kongsberg, NO
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling26%
F16KValves21%
Y10TTechnical subjects covered by former us classification21%
F16LPipes11%
F15BSystems acting by means of fluids in general5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
H01RElectrically-conductive connections5%
H05KPrinted circuits5%
PatentTitleYear
10,865,895Subsea control valve202010,822,906Subsea electric power and communication module202010,371,280Actuator for a valve20197,401,627'Protection of a seal element'20087,117,891'Hydraulic coupling comprising a pressure bleed device'20066,595,487'Electric actuator'20035,803,689'Device for interconnection of two objects'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2003Patents assigned to KONGSBERG OFFSHORE AS (2)· patent assignee history
1998–2020Based in Kongsberg, NO· patent location history
2006–2020Patents assigned to FMC KONGSBERG SUBSEA AS (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FMC KONGSBERG SUBSEA AS | 5 | 2006–2020 |
| KONGSBERG OFFSHORE AS | 2 | 1998–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kongsberg, NO | 7 | 1998–2020 |