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USPTO Patent Rankings Data through Dec 31, 2025
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Rolf Rustad — 17 Patents

Schlumberger Technology: 8 patents #789 of 7,293Top 15%
OLOnesubsea Ip Uk Limited: 6 patents #12 of 268Top 5%
WLWesterngeco L.L.C.: 2 patents #148 of 486Top 35%
Lund, NO: #1 of 3 inventorsTop 35%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Rolf Rustad has been granted 17 US patents while listed as an inventor at Schlumberger Technology. The first was granted in 2005 and the most recent in November 2025. Rolf Rustad ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Rolf Rustad in Lund, NO.

Patents per Year

Patents granted per year, 2005 to 2025Bar chart with a peak of 3 patents in 2017.peak 32005: 2 patents20052013: 1 patents20132016: 1 patents20162017: 3 patents20172018: 1 patents20182020: 3 patents20202021: 2 patents20212022: 1 patents20222025: 3 patents2025

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12460958 Flowmeter with attenuating ribbed transducer housings Emmanuel Lagrand, Erlend Bjoerndal, Gregor J. Brown, Emanuel J. Gottlieb 2025-11-04
12398329 Additive management system Bryan A. Bussell, Peter Hayward, Ulrich Kleine, Harald Solheim, Gro Merete Alendal +3 more 2025-08-26
12320777 Oilfield production particulate monitoring assembly Jean-Francois Noel, Emmanuel Lagrand, Erlend Bjoerndal, Alexandre Lupeau, Cheng-Gang Xie 2025-06-03
11221431 Mid-infrared carbon dioxide sensor Go Fujisawa, Sheng-Jui Chao, Timothy Gareth John Jones, Nathan Lawrence, Li Jiang +1 more 2022-01-11 $65,754,000
10921482 Mid-infrared carbon dioxide sensor Go Fujisawa, Sheng-Jui Chao, Timothy Gareth John Jones, Nathan Lawrence, Li Jiang +1 more 2021-02-16 $33,097,000
10914183 Erosion resistant blades for compressors Bernt Helge Torkildsen, Nicolas Butin, Christopher Nwakwuo, Marius Askevold 2021-02-09
10865638 Mid-infrared sensor Timothy Gareth John Jones, Nathan Lawrence, Go Fujisawa, Sheng-Jui Chao 2020-12-15 $55,436,000
10711594 Method and system for determining flow rate of water in a gas production system by incorporating characteristics of water Andrew Charles Baker, Alexandre Lupeau 2020-07-14
10533395 Production assembly with integrated flow meter Alexandre Lupeau, Nick Simpson 2020-01-14
10047303 Additive management system Harald Solheim, Gro Merete Alendal 2018-08-14
9791389 Pre-stressed gamma densitometer window and method of fabrication Paal Bratland, Jean-Francois Noel 2017-10-17 $26,322,000
9645130 Measuring properties of a multiphase mixture flow Cheng-Gang Xie, Mehdi Hizem 2017-05-09 $47,963,000
9638556 Compact microwave water-conductivity probe with integral second pressure barrier Cheng-Gang Xie, Guillaume Jolivet, Renke Tang, Alexander Tuborg Vilstrup, Yngve Boee 2017-05-02 $26,791,000
9455483 Pre-stressed gamma densitometer window and method of fabrication Paal Bratland, Jean-Francois Noel 2016-09-27 $65,684,000
8536883 Method of measuring a multiphase flow Cheng-Gang Xie, Mehdi Hizem 2013-09-17 $42,926,000
6879546 Gel-filled seismic streamer cable Åge Halvorsen, Eyvind Aker 2005-04-12
6839302 Acoustic emitters for use in marine seismic surveying Peter Austad 2005-01-04

Frequent Collaborators

Cheng-Gang Xie4 shared
Jean-Francois Noel3 shared
Sheng-Jui Chao3 shared
Alexandre Lupeau3 shared
Timothy Gareth John Jones3 shared
Go Fujisawa3 shared

Nearby-Ranked Inventors

Michael John Caelwaerts17
Umut Zalluhoglu17
Austino Longo17
Till Bredbeck17
Mircea Grigore17
Achim Klein17
Manesh Nadupparambil Sekharan17
Yoshiaki Nishikawa17
Evan Sparks17