Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Indirectly heated rotary tubular kiln

Indirectly heated rotary tubular kiln

US Patent 4781580 · Granted Nov 1, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and a system for separating and treating impurities from a hydrogen chlor2022
Apparatus and method for evaporating liquids containing potentially explosive im2020
Process for purifying raw-material gases by fractionation2018
Process for purifying raw-material gases by fractionation2018
Process for the preparation of isocyanates2014
Method of recycling process gas in electrochemical processes2013
Method of increasing the concentration of dilute brine in NaCl electrolysis plan2003
Process for colouring building materials2001
Rutile mixed phase pigment microgranulates, a process for their preparation and 1992
Titanium dioxide, a process and its production1991
Chromium oxide green, a process for its production and its use1991
Iron oxide black pigments, processes for their preparation and their use1991