Selective catalytic reduction system for exhaust gas treatment, and exhaust gas purification apparatus for lean combustion engines comprising selective catalytic reduction system for exhaust gas treatment
US-2026021449-A1 · Jan 22, 2026 · US
N E Chemcat Corp holds 116 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 116 |
| Recent patents | 21 |
| First publication | Feb 5, 2015 |
| Latest publication | Jan 22, 2026 |
Year-over-year patent counts for this assignee.
Latest publications where this party is an assignee.
US-2026021449-A1 · Jan 22, 2026 · US
US-12374700-B2 · Jul 29, 2025 · US
US-2025179081-A1 · Jun 5, 2025 · US
US-12319578-B2 · Jun 3, 2025 · US
US-12239961-B2 · Mar 4, 2025 · US
Representative or frequently cited publications from precomputed assignee stats.
US-2026021449-A1 · Jan 22, 2026 · US
US-12374700-B2 · Jul 29, 2025 · US
US-2025179081-A1 · Jun 5, 2025 · US
US-12319578-B2 · Jun 3, 2025 · US
US-12239961-B2 · Mar 4, 2025 · US
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| Y02T10/12 | 40 |
| Y02E60/50 | 31 |
| B01J23/63 | 30 |
| B01J37/0244 | 30 |
| H01M2008/1095 | 28 |
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 101 |
| Cross-Sectional Technologies | 76 |
| Mechanical Engineering | 49 |
| Chemistry & Metallurgy | 37 |
| Electricity | 31 |
| Physics | 3 |
Answers are generated from the same data shown on this page.