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Disclaimer: This report has been updated through 7 September 2026. The information is provided for reference only and does not represent any opinion, recommendation, or endorsement.
Caterpillar Inc. is a US-based heavy equipment manufacturer and the world’s largest maker of construction and mining machinery, with a patent portfolio spanning earthmoving and construction equipment, mining trucks and off-highway vehicles, diesel and gas engines and powertrains, hydraulic systems and implements, undercarriage and track systems, machine control and autonomy, telematics and fleet management, electric and hybrid drivetrains, gas turbines and reciprocating power generation, and industrial and marine power systems. Its filings cover engine combustion and aftertreatment, transmission and drivetrain design, hydraulic actuation, autonomous and semi-autonomous machine operation, structural and wear components, and large-scale power generation and energy systems. The company operates through its Construction Industries, Resource Industries, and Energy & Transportation segments, and the portfolio reflects a century of heavy machinery and power systems engineering across multiple decades and jurisdictions.
Caterpillar’s patent portfolio comprises 70,975 patents distributed across 32,036 simple families and 30,542 extended families. The portfolio spans 64 jurisdictions and includes patents associated with construction and mining equipment, engines and powertrains, hydraulics, machine autonomy, power generation, and related industrial technologies.
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Caterpillar’s portfolio consists of 25,790 active assets and 45,141 inactive assets. Active holdings include 15,042 granted patents and 10,748 patent applications. The large inactive base, led by abandoned applications and patents expired due to term and maintenance fees, is characteristic of a research portfolio accumulated over a century of heavy equipment development.
Caterpillar’s patents span 64 jurisdictions, with the United States accounting for the largest share of filings and grants.
Total Patents: 70,975
The portfolio is distributed across North America, Asia, and Europe, with the United States accounting for the largest concentration, followed by Japan, China, and Germany. The strong presence in Japan and Germany reflects both the principal markets for heavy equipment and the geography of Caterpillar’s main competitors, while the notable holdings in Australia and Canada align with the world’s major mining regions where its resource equipment is deployed.
Caterpillar’s patent portfolio is concentrated in two dominant domains: industrial at roughly 49%, capturing construction and mining machinery, hydraulics, and heavy structures, and automotive at 36%, an RPX grouping that captures Caterpillar’s extensive engine, powertrain, and off-highway vehicle technology. Together these two domains account for around 85% of the portfolio, with computer systems, software, and networking reflecting the company’s growing investment in machine autonomy, telematics, and fleet management.
The citation network maps onto the global heavy equipment and engine industry. Beyond Caterpillar itself, the largest citation volumes involve its principal competitors Deere & Company, Komatsu, Hitachi, and CNH Industrial in machinery, and engine and powertrain makers Cummins, Bosch, Volkswagen, Ford, Toyota, and Honda, reflecting the overlap between Caterpillar’s off-highway equipment and the broader automotive and industrial engine sectors.
Caterpillar’s litigation dataset includes 131 patents that have been involved in litigation matters, 41 reexaminations, 31 petitions, and 70 Chinese Patent Reexamination Board proceedings. The dataset also includes 29 active cases, 77 inactive cases, 20 appeals, and 227 related parties, a substantial enforcement footprint consistent with the competitive dynamics of the heavy equipment sector.
Caterpillar’s patent portfolio consists of 67,853 originally assigned patents and 3,122 acquired patents, meaning approximately 96% of the portfolio was developed internally. Acquired patents originate largely from operating companies, reflecting Caterpillar’s history of acquisitions in engines, mining equipment, and power generation.
2011 – Bucyrus International (~US$8.6 billion)
Caterpillar’s largest acquisition was the approximately US$8.6 billion purchase of mining equipment maker Bucyrus International in 2011, which established Caterpillar as a full-line supplier of surface and underground mining equipment and formed the foundation of its Resource Industries segment. The deal brought a substantial portfolio of mining and material handling patents into the company.
1998 to 2018 – Engines and power systems (Perkins, MWM, and Progress Rail)
Caterpillar built its Energy & Transportation business through a series of acquisitions, including the UK engine maker Perkins in 1998, the German gas engine business MWM in 2011, and the railroad products and services company Progress Rail. These transactions expanded Caterpillar’s reciprocating engine, gas power generation, and rail portfolios that now serve the data centre and distributed power markets.
2026 – Data centre power generation expansion
Rather than acquisition, Caterpillar’s most significant recent strategic move has been a major organic expansion of power generation capacity to serve data centre demand. In 2026 the company announced plans to roughly triple large engine and turbine output, raised its 2030 targets, and resumed production of a 10-megawatt medium-speed gas reciprocating engine platform it had discontinued in 2022, bringing 1.5 gigawatts of capacity back online with shipments beginning in the fourth quarter of 2026.
Caterpillar Inc. is a publicly traded heavy equipment and power systems company listed on the New York Stock Exchange (CAT) and a component of the Dow Jones Industrial Average and S&P 500. It operates through Construction Industries, Resource Industries, and Energy & Transportation segments, and has become a significant beneficiary of data centre and AI infrastructure buildout through its power generation business.
Caterpillar Inc.
5205 North O’Connor Boulevard, Suite 100
Irving, TX 75039, United States
Caterpillar’s global headquarters are located in Irving, Texas, having relocated from Illinois, with major manufacturing and research operations across the United States and worldwide.
Caterpillar’s patent portfolio includes 70,975 patents across 64 jurisdictions. The portfolio contains patent assets in construction and mining equipment, diesel and gas engines and powertrains, hydraulic systems, undercarriage and structural components, machine autonomy and telematics, electric and hybrid drivetrains, and gas turbine and reciprocating power generation.
The portfolio includes 32,036 simple families, 30,542 extended families, 68 litigated patents, and 11 challenged patents, with 25,790 active assets of which 10,748 are pending applications.
Caterpillar’s patent portfolio contains 70,975 patents across 64 jurisdictions. The portfolio includes 32,036 simple families and 30,542 extended families.
The industrial domain leads at roughly 49%, covering construction and mining machinery and hydraulics, followed by automotive at 36%, an RPX grouping that captures engine and powertrain technology. Together these two domains account for around 85% of the portfolio.
Caterpillar’s portfolio includes 25,790 active patent assets, consisting of 15,042 active grants and 10,748 active applications.
The United States contains the largest number of Caterpillar patent assets, followed by Japan, China, Germany, and World Intellectual Property Organization filings.
The litigation dataset includes 131 patents in litigation, 41 reexaminations, 31 petitions, and 70 Chinese PRB proceedings, alongside 227 related parties.
The portfolio contains 67,853 originally assigned patents and 3,122 acquired patents, meaning approximately 96% was developed internally.
The citation data includes significant references involving Deere & Company, Komatsu, Hitachi, CNH Industrial, Cummins, Bosch, Volkswagen, Ford, and Toyota.
Caterpillar’s Energy & Transportation segment supplies large generator sets, engines, and gas turbines for data centre power. Power generation retail sales grew 72% year over year in Q2 2026, and the company is tripling power generation capacity and resuming production of a 10-megawatt gas engine platform to meet demand.
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