Dedusting Patent Landscape Report

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Scope

• Analysis of 2,607 patents from 2000–2025.
• Focused on technological innovation, regional leadership, and market potential in steelmaking dedusting solutions.

• Key Findings

1. Explosive Growth
   • Patent filings grew sixteenfold between 2000 and 2023, peaking at 350+ applications in 2022.
   • 74% of all patents were filed after 2016, reflecting sustained momentum in innovation.
2. Technology Focus
   • Core developments in blast-furnace dust arresters and advanced gas-filtration systems, including electrostatic precipitators and hollow-filter technologies.
3. Geographic Dominance
   • China leads with ~84% of global patents, far ahead of the US and Europe.
   • This dominance stems from strong environmental regulations and investment in emissions-control tech.
4. Market Potential
   • Valued at USD 14.9B in 2023, projected to reach USD 21.3B by 2030 (CAGR: 3.9%).
   • Growth driven by environmental compliance and steel industry modernization.

• Technology Trends

• Steady growth until 2016, then rapid acceleration in filings.
• Leading IPC subclasses: C21B (primary steelmaking) and B01D (separation technologies) – over 1,500 patents combined.
• Top Applicants: WISDRI (77 patents) and CISDI (68 patents), showcasing China’s concentration of R&D leadership.

• Strategic Recommendations

• Policy Makers – Enhance support for emissions-control R&D and promote sustainable industrial practices.
• Investors – Focus on firms with strong IP in steel production efficiency and environmental technologies.
• Manufacturers – Adopt advanced filtration systems for compliance and long-term operational efficiency.