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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Metal casting

Metal casting Patent Leaders in 2022 2022

Primary CPC class B22 · Section B

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 776 patents in 2024.peak 7761996: 295 patents19961997: 332 patents1998: 368 patents1999: 435 patents19992000: 332 patents2001: 357 patents2002: 427 patents20022003: 416 patents2004: 306 patents2005: 302 patents20052006: 324 patents2007: 282 patents2008: 204 patents20082009: 254 patents2010: 287 patents2011: 336 patents20112012: 352 patents2013: 352 patents2014: 369 patents20142015: 411 patents2016: 370 patents2017: 402 patents20172018: 482 patents2019: 508 patents2020: 623 patents20202021: 595 patents2022: 563 patents2023: 667 patents20232024: 776 patents2025: 611 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Gregory Terrence Garay 7 GE
2 Vladek Kasperchik 5 HP
3 Brian David Przeslawski 4 GE
#4 Cheol-Ung Lee 4 Hyundai Motor
#5 Douglas K. Herrmann 4 Xerox
#6 Douglas Gerard Konitzer 4 GE
#7 Kamal Hadidi 4 6K
#8 Makhlouf Redjdal 4 6K
#9 Mohammed S. Shaarawi 4 HP
#10 Rainer Schmitt 4 Gkn Sinter Metals Engineering Gmbh
#11 Ryota Take 4 Sumitomo Electric Sintered Alloy
#12 Scott Joseph Turchetti 4 6K
#13 Tingfan Pang 4 GE
#14 Xiaoming Wang 4 Unknown
#15 Xi Yang 4 GE
#16 Yang Han 4 Lsi
#17 Aaron Bent 3 6K
#18 Ali R. Dergham 3 Xerox
#19 Christopher D. Atwood 3 Xerox
#20 David Champion 3 HP
#21 Derek A. Bryl 3 Xerox
#22 Dong Woo Yoo 3 LG
#23 Erik Mitchell 3 Aktiebolaget Skf
#24 Erwin Ruiz 3 Xerox
#25 Fumin Xu 3 Unknown
#26 Gugang Chen 3 Honda Motor Co.
#27 Guofeng Han 3 Unknown
#28 Guobin Li 3 Unknown
#29 James McKinnell 3 HP
#30 Jin Kyu Lee 3 LG
#31 Jinjie Shi 3 GE
#32 Jing Shi 3 Unknown
#33 John Barnes 3 6K
#34 Mats Johansson 3 Seco Tools Ab
#35 Mark Ormerod 3 Tbs Engineering Limited
#36 Michael Andrew Gibson 3 Desktop Metal
#37 Michael C. Kozlowski 3 6K
#38 Ning Duanmu 3 Seurat Technologies
#39 Philip Eugene Rogren 3 Sakuu
#40 Qing Chang 3 Unknown
#41 Qingyou Han 3 Purdue Research Foundation
#42 Saurabh Ullal 3 Lam Research
#43 Shutang CHEN 3 Honda Motor Co.
#44 Shuji Okazaki 3 Sodick Co.
#45 Sheng Zhu 3 Unknown
#46 Tao Teng 3 Unknown
#47 Tracy A. Propheter-Hinckley 3 RTX (Raytheon)
#48 Wei Shan Dong 3 IBM
#49 Wenyu Wang 3 Unknown
#50 Yao Meng 3 Unknown
#51 Yasunori Sonoda 3 Sumitomo Electric Sintered Alloy
#52 Yanyang Wang 3 Unknown
#53 Yang Zhao 3 Huawei
#54 Yoon-Ki Lee 3 Hyundai Motor
#55 Zachary Daniel Webster 3 GE
#56 Zhaofeng Bai 3 Unknown
#57 Zhiyong Qin 3 Unknown
#58 Zhiqiang Ren 3 Unknown
#59 Aaron T. Nardi 2 RTX (Raytheon)
#60 Alexander C. Barbati 2 Desktop Metal
#61 Alan C. Barron 2 RTX (Raytheon)
#62 Alan D. Cetel 2 RTX (Raytheon)
#63 Antonio Bernerd Martinez 2 Divergent Technologies
#64 Antoine Missout 2 —
#65 Andrew Sherman 2 Terves
#66 Ando Welling 2 Giesecke & Devrient Gmbh
#67 Brian Doud 2 Powdermet
#68 Christian Brunhuber 2 Siemens Aktiengesellschaft
#69 Christian Lustig 2 Hüttenes-Albertus Chemische Werke Gesellschaft Mit Beschränkter Haftung
#70 Chukwubuikem Marcel Okoli 2 Divergent Technologies
#71 Chie Sugama 2 Showa Denko Materials Co.
#72 Craig Shaber 2 Wagstaff
#73 David Michael Ingle 2 HP
#74 Dai Ishikawa 2 Asm Ip Holding B.V.
#75 Daniel R. Jepeal 2 Desktop Metal
#76 David John 2 International Mobile Satellite Organization
#77 Daniel Endecott Osgood 2 GE
#78 David Brian TenHouten 2 Divergent Technologies
#79 Dilip M. Shah 2 RTX (Raytheon)
#80 Dong-Hoon Yeo 2 Jps
#81 Eli Rogers 2 Divergent Technologies
#82 Frank Winter 2 Netzsch Trockenmahltechnik Gmbh
#83 Fumihiro Matsumoto 2 Sumitomo Electric Sintered Alloy
#84 Harry Lester Kington 2 Honeywell
#85 Hasim Tekines 2 Gkn Sinter Metals Engineering Gmbh
#86 Hanqi Wu 2 Citic Dicastal Co.
#87 Hiroshi Harada 2 National Institute Of Information And Communications Technology
#88 Hisashi Harada 2 Mitsubishi Electric
#89 Hiroshi Ichikawa 2 Brother Kogyo
#90 Hideo Nakako 2 Hitachi Chemical Company
#91 Hidekazu Nakayama 2 Lintec
#92 Hideo Sakai 2 Mitsui Toatsu Chemicals, Incorporated
#93 Hui Li 2 Advanced New Technologies Co.
#94 Huimin Yao 2 Unknown
#95 Isao Ichikawa 2 Lintec
#96 Jens Müller 2 Ask Chemicals Gmbh
#97 Ji Yong Lee 2 Hyundai Motor
#98 Jiansheng Wang 2 Citic Dicastal Co.
#99 Jin-Ho Yoo 2 Mh Technologies
#100 Joseph Edward Hampshire 2 GE

Top Companies

Rank ↑ Company ↕ Patents ↕
1 RTX (Raytheon) 28
2 GE 26
3 HP 17
#4 Nippon Steel 14
#5 Honda Motor Co. 9
#6 Desktop Metal 8
#7 Sodick Co. 8
#8 Hyundai Motor 7
#9 Sumitomo Electric Sintered Alloy 7
#10 Safran Aircraft Engines 6
#11 Siemens Energy Global 6
#12 Sintokogio 6
#13 Unknown 6
#14 Xerox 6
#15 6K 5
#16 Citic Dicastal Co. 5
#17 Kia Motors 5
#18 Mitsubishi Electric 5
#19 LG 5
#20 Toyota 5
#21 BMW 4
#22 Dalian University Of Technology 4
#23 Divergent Technologies 4
#24 Dowa Electronics Materials Co. 4
#25 Gkn Sinter Metals Engineering Gmbh 4
#26 Hitachi 4
#27 Hüttenes-Albertus Chemische Werke Gesellschaft Mit Beschränkter Haftung 4
#28 The Boeing 4
#29 Honeywell 4
#30 Arcam Ab 3
#31 Ask Chemicals Gmbh 3
#32 Hamilton Sundstrand 3
#33 Huazhong University Of Science And Technology 3
#34 Jfe Steel 3
#35 Korea Institute Of Science And Technology 3
#36 Metal Industries Research & Development Centre 3
#37 Molten Metal Equipment Innovations 3
#38 Oskar Frech Gmbh + Co. Kg 3
#39 Sakuu 3
#40 Tbs Engineering Limited 3
#41 US Air Force 3
#42 University of Florida 3
#43 Airbus Defence And Space Gmbh 2
#44 Aktiebolaget Skf 2
#45 Alps Alpine Co. 2
#46 American Axle & Manufacturing 2
#47 Asahi Yukizai 2
#48 Baoshan Iron & Steel Co. 2
#49 Brunswick 2
#50 Diamet 2
#51 Foseco International Limited 2
#52 Giesecke+Devrient Mobile Security Gmbh 2
#53 Ihi 2
#54 Jinan Shengquan Group Share Holding Co. 2
#55 Jps 2
#56 Kia 2
#57 KAIST 2
#58 Krosakiharima 2
#59 Lintec 2
#60 Mazda Motor 2
#61 Mtu Aero Engines Ag 2
#62 Murata Manufacturing Co. 2
#63 Netzsch Trockenmahltechnik Gmbh 2
#64 Ngk Insulators 2
#65 Norsk Hydro Asa 2
#66 Ntn 2
#67 Nucor 2
#68 Palo Alto Research Center Incorporated 2
#69 Powdermet 2
#70 Purdue Research Foundation 2
#71 Robert Bosch Gmbh 2
#72 Rolls-Royce Deutschland 2
#73 Seiko Epson 2
#74 Showa Denko Materials Co. 2
#75 Siemens Aktiengesellschaft 2
#76 Sigma Labs 2
#77 Sms Group Gmbh 2
#78 South China University Of Technology 2
#79 Sulzer Management Ag 2
#80 Sumitomo Electric Industries 2
#81 Taiyo Nippon Sanso 2
#82 Teknologian Tutkimuskeskus Vtt Oy 2
#83 Penn State 2
#84 Trumpf Laser- Und Systemtechnik Gmbh 2
#85 United States Pipe And Foundry Company 2
#86 Ut-Battelle 2
#87 Vesuvius Group, S.A. 2
#88 Wagstaff 2
#89 Wirtz Manufacturing Company 2
#90 Ford 2
#91 General Motors 2
#92 3D Systems 1
#93 5N Plus 1
#94 Abc Industries Co. 1
#95 Addup 1
#96 Adeka 1
#97 Ahresty 1
#98 Ald Vacuum Technologies Gmbh 1
#99 Alpha Assembly Solutions 1
#100 Ap&C Advanced Powders & Coatings 1