Patent assignee · US · COMPANY

DIAMOND POWER INTERNATIONAL, LLC

32Patents
13Active
32Granted
45Portfolio score

Filing activity: Jun 28, 1994 → Aug 14, 2015 · 6 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6778209B1 Furnace video camera apparatus Electricity 20 Expired
US6575122B2 Oscillating sootblower mechanism Mechanical Engineering; Lighting; Heating 20 Expired
US6772775B2 Sootblower mechanism providing varying lance rotational speed Mechanical Engineering; Lighting; Heating 18 Expired
US6764030B2 Sootblower nozzle assembly with an improved downstream nozzle Emerging Cross-Sectional Technologies 16 Expired
US6190628A Method for injecting NOx inhibiting liquid reagent into the flue gas of a boiler in response to a sensed temperature Emerging Cross-Sectional Technologies 14 Expired
US7028926B2 Sootblower nozzle assembly with nozzles having different geometries Emerging Cross-Sectional Technologies 12 Expired
US6782902B2 Sootblower lance tube for dual cleaning media Performing Operations; Transporting 12 Expired
US8176883B2 Retractable articulating robotic sootblower Mechanical Engineering; Lighting; Heating 10 Active
US7360508B2 Detonation / deflagration sootblower Mechanical Engineering; Lighting; Heating 9 Expired
US7735435B2 Apparatus for cleaning a smelt spout of a combustion device Textiles; Paper 8 Active
US6806900B2 Furnace video camera apparatus Electricity 7 Expired
US8671890B2 Pipe assembly Emerging Cross-Sectional Technologies 7 Active
US5920951A Parameter sensing sootblower Physics 7 Expired
US7001067B2 Pyrometer for measuring the temperature of a gas component within a furnance Physics 7 Expired
US6928937B2 Sootblowing control based on boiler thermal efficiency optimization Mechanical Engineering; Lighting; Heating 6 Expired
US6655397B2 Articulating water monitor cleaning device Performing Operations; Transporting 5 Expired
US6733173B1 Pyrometer for measuring the temperature of a gas component within a furnace Physics 4 Expired
US7475645B2 Retractable liquor gun holder for a recovery furnace Mechanical Engineering; Lighting; Heating 3 Active
US5950677A Pressure equalization valve Emerging Cross-Sectional Technologies 3 Expired
US7832366B2 Sootblower frame assembly Mechanical Engineering; Lighting; Heating 2 Expired
US9375718B2 Shaft-to-roller attachment for clinker grinder roller Emerging Cross-Sectional Technologies 2 Active
US8915679B2 Pneumatic transport with multi vessel discharge Performing Operations; Transporting 2 Active
US7392751B2 Port rodder with velocity damper Mechanical Engineering; Lighting; Heating 2 Expired
US6925969B1 Boiler wall box cooling system Mechanical Engineering; Lighting; Heating 2 Expired
US9345992B2 Remote submerged chain conveyor Mechanical Engineering; Lighting; Heating 2 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.