Clean Diesel Technologies, Inc.
49Patents
28Active
49Granted
49Portfolio score
Filing activity: Aug 14, 1995 → Dec 13, 2016 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6063350A | Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction | Emerging Cross-Sectional Technologies | 171 | Expired |
| US5924280A | Reducing NO.sub.x emissions from an engine while maximizing fuel economy | Emerging Cross-Sectional Technologies | 123 | Expired |
| US5976475A | Reducing NO.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5809775A | Reducing NO.sub.x emissions from an engine by selective catalytic reduction utilizing solid reagents | Emerging Cross-Sectional Technologies | 115 | Expired |
| US6279603A | Fluid-cooled injector | Emerging Cross-Sectional Technologies | 101 | Expired |
| US5809774A | System for fueling and feeding chemicals to internal combustion engines for NO.sub.x reduction | Emerging Cross-Sectional Technologies | 97 | Expired |
| US6361754B1 | Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction | Emerging Cross-Sectional Technologies | 74 | Expired |
| US6203770A | Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reduction | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5968464A | Urea pyrolysis chamber and process for reducing lean-burn engine NO.sub.x emissions by selective catalytic reduction | Emerging Cross-Sectional Technologies | 71 | Expired |
| US6003303A | Methods for reducing harmful emissions from a diesel engine | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6051040A | Method for reducing emissions of NO.sub.x and particulates from a diesel engine | Emerging Cross-Sectional Technologies | 56 | Expired |
| US8969228B2 | Process for elimination of hexavalent chromium compounds on metallic substrates within zero-PGM catalyst systems | Emerging Cross-Sectional Technologies | 32 | Active |
| US6023928A | Method for reducing emissions from a diesel engine | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US7473288B2 | Particulate matter reducing apparatus | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5819529A | Method for reducing emissions from two-stroke engines | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6948926B2 | Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6124130A | Microbial catalyst for desulfurization of fossil fuels | Chemistry; Metallurgy | 19 | Expired |
| US9604175B2 | Three-way catalyst systems including Nb—Zr—Al-mixed oxide supports, Ba—Pd, and Rh—Fe material compositions | Emerging Cross-Sectional Technologies | 16 | Active |
| US9012353B2 | Palladium solid solution catayst and methods of making | Emerging Cross-Sectional Technologies | 14 | Active |
| US9216410B2 | Systems and methods for using Pd1+ in a TWC | Emerging Cross-Sectional Technologies | 12 | Active |
| US7216681B2 | Gravity feed ball-in-seat valve with extension unit for dosing fuel additives | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7063729B2 | Low-emissions diesel fuel | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US9511358B2 | Spinel compositions and applications thereof | Emerging Cross-Sectional Technologies | 8 | Active |
| US9011784B2 | Catalyst with lanthanide-doped zirconia and methods of making | Chemistry; Metallurgy | 7 | Active |
| US7743737B2 | Engine on pulsed fuel additive concentrate dosing system and controller | Mechanical Engineering; Lighting; Heating | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.