{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Technologies", "item": "https://www.patentleaderboard.com/technologies"}, {"@type": "ListItem", "position": 3, "name": "Earth drilling and mining", "item": "https://www.patentleaderboard.com/technology/earth-drilling-and-mining"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Earth drilling and mining

Earth drilling and mining Patent Leaders in 2016 2016

Primary CPC class E21 · Section E

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 3,238 patents in 2019.peak 3,2381996: 634 patents19961997: 557 patents1998: 796 patents1999: 838 patents19992000: 974 patents2001: 1,102 patents2002: 1,020 patents20022003: 1,014 patents2004: 1,046 patents2005: 877 patents20052006: 1,183 patents2007: 1,049 patents2008: 1,132 patents20082009: 1,088 patents2010: 1,656 patents2011: 1,495 patents20112012: 1,736 patents2013: 1,847 patents2014: 2,135 patents20142015: 2,318 patents2016: 2,454 patents2017: 2,612 patents20172018: 2,721 patents2019: 3,238 patents2020: 3,076 patents20202021: 2,876 patents2022: 2,754 patents2023: 2,767 patents20232024: 2,676 patents2025: 2,630 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Michael Linley Fripp 30 Halliburton Energy Services
2 Jørgen Hallundbæk 27 Welltec A/S
3 Julian Pop 15 Schlumberger Technology
#4 Aaron W. Logan 14 Evolution Engineering
#5 Roger L. Schultz 13 Thru Tubing Solutions
#6 Francis Eugene Parsche 12 Harris
#7 Brock Watson 11 Thru Tubing Solutions
#8 Brian Wright 11 Harris
#9 Thomas F. Bailey 11 Weatherford/Lamb
#10 Albert W. Chau 10 Merlin Technology
#11 Anthony A. DiGiovanni 10 Baker Hughes Holdings
#12 David A. Switzer 10 Evolution Engineering
#13 Gary L. Rytlewski 10 Schlumberger Technology
#14 Jason D. Dykstra 10 Halliburton Energy Services
#15 W. Lynn Frazier 10 Magnum Oil Tools International
#16 Jeremy Richard Angelle 9 Frank'S International
#17 Jean-Marc Lopez 9 Halliburton Energy Services
#18 Matthew Todd Howell 9 Halliburton Energy Services
#19 Steve Rosenblatt 9 Baker Hughes Holdings
#20 Christian Leuchtenberg 8 Managed Pressure Operations Pte.
#21 Danny E. Scott 8 Baker Hughes Holdings
#22 Daniel Jon Themig 8 Packers Plus Energy Service
#23 Dennis P. Nguyen 8 Cameron International
#24 John C. Gano 8 Halliburton Energy Services
#25 Justin C. Logan 8 Evolution Engineering
#26 Kendall Lee Pacey 8 Halliburton Energy Services
#27 Luke William Holderman 8 Halliburton Energy Services
#28 Pierre-Yves Corre 8 Schlumberger Technology
#29 Raymond Hewit 8 Harris
#30 Stephen Michael Greci 8 Halliburton Energy Services
#31 James Randolph Lovorn 7 Halliburton Energy Services
#32 Jili Liu 7 Evolution Engineering
#33 John E. Mercer 7 Merlin Technology
#34 Juan Miguel Bilen 7 Baker Hughes Holdings
#35 Lee Morgan Smith 7 Alaskan Energy Resources
#36 Mark A. Trautman 7 Harris
#37 Michael D. Rupp 7 Longyear Tm
#38 Richard Thomas Hay 7 Halliburton Energy Services
#39 Robert S. O'Brien 7 Baker Hughes Holdings
#40 Robert L. Thibodeaux 7 Frank'S International
#41 Rocky A. Turley 7 Weatherford Technology Holdings
#42 Thomas Lehnert 7 Wirtgen Gmbh
#43 William Mark Richards 7 Halliburton Energy Services
#44 Youhe Zhang 7 Smith International
#45 Zhiyue Xu 7 —
#46 Christian M. Lambert 6 Longyear Tm
#47 Cody A. Pearce 6 Longyear Tm
#48 Cyrus Barimani 6 Wirtgen Gmbh
#49 Daniel D. Gleitman 6 Halliburton Energy Services
#50 Donald G. Kyle 6 Halliburton Energy Services
#51 Edward J. O'Malley 6 Baker Hughes Holdings
#52 Frank Acosta 6 Halliburton Energy Services
#53 Gregory L. Hern 6 Baker Hughes Holdings
#54 Guenter W. Brune 6 Merlin Technology
#55 James G. King 6 Baker Hughes Holdings
#56 John P. Broussard 6 Weatherford Technology Holdings
#57 Karsten Heidecke 6 Weatherford Technology Holdings
#58 Kai Hsu 6 Schlumberger Technology
#59 Kenny Armstrong 6 C6 Technologies As
#60 Kentaro Indo 6 Schlumberger Technology
#61 Mark A. Proett 6 Halliburton Energy Services
#62 Murray Hann 6 Harris
#63 Nicholas J. Lyons 6 Baker Hughes Holdings
#64 Oliver C. Mullins 6 Schlumberger Technology
#65 Paul Hazel 6 Welltec A/S
#66 Padira Reddy 6 Nabors Drilling Technologies Usa
#67 Rocco DiFoggio 6 Baker Hughes Holdings
#68 Ronald Johannes Dirksen 6 Halliburton Energy Services
#69 Rudolf Carl Pessier 6 Baker Hughes Holdings
#70 Sean Bailey 6 Nabors Drilling International Limited
#71 Shaohua Kevin Zhou 6 Siemens Healthcare Limited
#72 Todd W. Benson 6 Motive Drilling Technologies
#73 Yuri Burhan 6 Smith International
#74 Zachary William Walton 6 Halliburton Energy Services
#75 Abdullah Al-Yami 5 Saudi Arabian Oil
#76 Ashish Gupta 5 Nabors Drilling Technologies Usa
#77 Bob McGuire 5 Stinger Wellhead Protection
#78 Brandon Thomas Least 5 Halliburton Energy Services
#79 Burkay Donderici 5 Halliburton Energy Services
#80 Calvin J. Stowe, II 5 Baker Hughes Holdings
#81 Christopher A. Hall 5 Weatherford Technology Holdings
#82 Christopher Michael Jones 5 Halliburton Energy Services
#83 Cornelis Roelof Jonker 5 Element Six Abrasives S.A.
#84 Derek L. Carter 5 Utex Industries
#85 Donald E. Mosing 5 Frank'S Casing Crew And Rental Tools
#86 Gregory Scott Cunningham 5 Halliburton Energy Services
#87 Günter Hähn 5 Wirtgen Gmbh
#88 James W. Chambers 5 Weatherford Technology Holdings
#89 Jason C. Mailand 5 Baker Hughes Holdings
#90 Jerome Schubert 5 Texas A&M University System
#91 Jimmie R. Williamson, Jr. 5 Halliburton Energy Services
#92 Jinjiang Xiao 5 Saudi Arabian Oil
#93 John H. Hales 5 Halliburton Energy Services
#94 Joerg Lehr 5 Baker Hughes Holdings
#95 Karsten Buhr 5 Wirtgen Gmbh
#96 Kenneth E. Bertagnolli 5 Us Synthetic
#97 Kent David Harms 5 Schlumberger Technology
#98 Kirk P. Guidry 5 Cameron International
#99 Matthew J. Jennings 5 Selman And Associates
#100 Mark Henry Naedler 5 Utex Industries

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Halliburton Energy Services 293
2 Baker Hughes Holdings 234
3 Schlumberger Technology 209
#4 Weatherford Technology Holdings 80
#5 Smith International 50
#6 National Oilwell Varco 41
#7 Saudi Arabian Oil 39
#8 ExxonMobil 31
#9 Welltec A/S 30
#10 Cameron International 29
#11 Shell Oil Compny 29
#12 GE 28
#13 Chevron 27
#14 Harris 25
#15 Phillips Petroleum 18
#16 Us Synthetic 16
#17 Onesubsea Ip Uk Limited 15
#18 Evolution Engineering 14
#19 Statoil Petroleum As 13
#20 Unknown 13
#21 Bp Corporation North America 12
#22 Longyear Tm 12
#23 Merlin Technology 12
#24 Thru Tubing Solutions 12
#25 Frank'S International 11
#26 Joy Mm Delaware 11
#27 Tescom 11
#28 Varel International Ind., L.L.C. 10
#29 Caterpillar 10
#30 Packers Plus Energy Service 9
#31 Tracto-Technik Gmbh & Co., Kg 9
#32 Vetco Gray 9
#33 Managed Pressure Operations Pte. 8
#34 M-I L.L.C. 8
#35 Total Sa 8
#36 Canrig Drilling Technology 7
#37 Dril-Quip 7
#38 Wirtgen Gmbh 7
#39 Alaskan Energy Resources 6
#40 C6 Technologies As 6
#41 Kennametal 6
#42 Landmark Graphics 6
#43 Nabors Drilling International Limited 6
#44 Superior Energy Services-North America Services 6
#45 Aker Subsea As 5
#46 Element Six Abrasives S.A. 5
#47 Element Six Limited 5
#48 Fmc 5
#49 Halliburton Manufacturing And Services Limited 5
#50 Hydril Usa Distribution 5
#51 Maersk Olie Og Gas A/S 5
#52 Oil States Energy Services, L.L.C. 5
#53 Sandvik Intellectual Property Ab 5
#54 Sandvik Mining And Construction Oy 5
#55 Scientific Drilling International 5
#56 Selman And Associates 5
#57 Team Oil Tools, Lp 5
#58 Technip France 5
#59 Texas A&M University System 5
#60 Utex Industries 5
#61 Intel 5
#62 Antelope Oil Tool & Mfg. 4
#63 Atlas Copco Rock Drills Ab 4
#64 Blackhawk Specialty Tools 4
#65 Bp Exploration Operating Company Limited 4
#66 Foro Energy 4
#67 Geodynamics 4
#68 Itrec B.V. 4
#69 Loadmaster Universal Rigs 4
#70 Los Alamos National Security 4
#71 Magnum Oil Tools International 4
#72 M-I Drilling Fluids Uk Limited 4
#73 Motive Drilling Technologies 4
#74 Peak Completion Technologies 4
#75 Petroleum Technology Company As 4
#76 Petrowell Limited 4
#77 The University Of Sydney 4
#78 Vallourec Drilling Products France 4
#79 1311854 Ontario Limited 3
#80 Aps Technology 3
#81 Canyon Oak Energy 3
#82 Delphi Technologies 3
#83 Dow Global Technologies 3
#84 Intellectual Ventures 3
#85 Evolution Well Services 3
#86 Expro North Sea Limited 3
#87 Fci Holdings Delaware 3
#88 Flexidrill Limited 3
#89 Forum Us 3
#90 Framo Engineering As 3
#91 Geoservices Equipements 3
#92 G&H Diversified Manufacturing Lp 3
#93 Harrier Technologies 3
#94 Hunting Titan 3
#95 Interwell Technology As 3
#96 Jack Kennedy Metal Products & Buildings 3
#97 Korea Institute Of Geoscience And Mineral Resources 3
#98 Korea Railroad Research Institute 3
#99 Mako Rentals 3
#100 National Oilwell Varco Norway As 3