With Hopper Discharger Patents (Class 131/44)
  • Orbital plant material feed system
    Patent number: 11259560
    Abstract: An orbital plant material feed assembly includes a drum structure and hopper assembly. An external surface of the drum structure has a curved shape and includes a peripheral groove. A width of the peripheral groove varies along the external surface of the drum structure. The hopper assembly may define a compression space between the drum structure and a portion of the hopper assembly that covers a portion of the peripheral groove.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: March 1, 2022
    Assignee: Altria Client Services LLC
    Inventor: Dwight David Williams
  • 1-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-1,3-butanedione and perfume compositions
    Patent number: 4167497
    Abstract: Processes and compositions are described for the use in perfume aroma augmenting, modifying, enhancing and imparting compositions and as perfume, cologne and perfumed article aroma imparting materials of 1-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-1,3-butanedione which has the structure: ##STR1## which also, in its enolate form, has the structure: ##STR2##
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: September 11, 1979
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Braja D. Mookherjee, Richard A. Wilson, Frederick L. Schmitt, Joaquin F. Vinals, Jacob Kiwala