Average Co-Inventor Count = 3.87
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Maersk Olie Og Gas A/s (3 from 39 patents)
2. Esk Ceramics Gmbh&co. Kg (2 from 10 patents)
3. 3m Innovative Properties Company (14,059 patents)
4. Maersk Olie Gas A/s (3 patents)
5. Mærsk Olie Og Gas A/s (0 patent)
4 patents:
1. 9371704 - Jacking units and bellows for down hole intervention tools
2. 9097109 - Injection drill bit
3. 8833447 - Separating device for tubular flow-through devices
4. 8662167 - Wear-resistant separating device for removing sand and rock particles