Inventor

JOHNSEN JOHN MAGNE

NO4 patents

⚠️ This page may combine multiple inventors who share the name “JOHNSEN JOHN MAGNE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MHWIRTH AS

2 patents

US12270260B2Apr 8, 2025

Riser clamp

MHWIRTH AS0 citations51

US11851954B2Dec 26, 2023

Riser assembly

MHWIRTH AS0 citations44

MHWIRTH DO BRASIL EQUIPAMENTOS LTDA

1 patent

US11371300B2Jun 28, 2022

Riser tools and methods

MHWIRTH DO BRASIL EQUIPAMENTOS LTDA3 citations56

AKER KVAERNER SUBSEA AS

1 patent

US8001996B2Aug 23, 2011

Composite pipe and a method of manufacturing a composite pipe

AKER KVAERNER SUBSEA AS5 citations51