Patents by Inventor Rajesh Maheshwari

Rajesh Maheshwari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Powder dispenser modules and powder dispenser assemblies
    Patent number: 9221561
    Abstract: A powder dispenser module (54) includes a housing (150) that defines a conduit connecting a powder inlet and a powder outlet, a feed wand (160) to move powder through the conduit from the powder inlet to the powder outlet, the feed wand (200) including a lower feed element (230) coupled to a first drive shaft and an upper feed element (220) coupled to a second drive shaft, a first actuator coupled to the first drive shaft to rotate the lower feed element (230), and a second actuator coupled to the second drive shaft to rotate the upper feed element (220). In other embodiments, the feed wand (200) includes a shaft having a fluidizing element and an actuator produces oscillatory movement of the feed wand during dispensing of powder. Dispenser module arrays include one or a few rows of dispenser modules.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: December 29, 2015
    Assignee: MannKind Corporation
    Inventors: Rajesh Maheshwari, Rolf Scharger, Trent A. Poole, Per B. Fog
  • Automated cascade impactor
    Patent number: 8627731
    Abstract: An automated cascade impactor is disclosed and comprises a vertical array of a plurality of impactor stages, and a vertical array of isolation stages, wherein the vertical array of the isolation stages comprises pairs of isolation stages between which impactor plates, removed from respective ones of the impactor stages are effectively sandwiched between each pair of isolation stages. Still further, each compactor stage is likewise sandwiched between and upper and a lower pair of the isolation stages.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: January 14, 2014
    Assignee: Lab Automate Technologies Inc.
    Inventors: Krishna Maheshwari, Rajesh Maheshwari
  • Automated cascade impactor
    Publication number: 20120247233
    Abstract: An automated cascade impactor is disclosed and comprises a vertical array of a plurality of impactor stages, and a vertical array of isolation stages, wherein the vertical array of the isolation stages comprises pairs of isolation stages between which impactor plates, removed from respective ones of the impactor stages are effectively sandwiched between each pair of isolation stages. Still further, each compactor stage is likewise sandwiched between and upper and a lower pair of the isolation stages.
    Type: Application
    Filed: September 23, 2011
    Publication date: October 4, 2012
    Inventors: Krishna Maheshwari, Rajesh Maheshwari
  • POWDER DISPENSER MODULES AND POWDER DISPENSER ASSEMBLIES
    Publication number: 20110173933
    Abstract: A powder dispenser module (54) includes a housing (150) that defines a conduit connecting a powder inlet and a powder outlet, a feed wand (160) to move powder through the conduit from the powder inlet to the powder outlet, the feed wand (200) including a lower feed element (230) coupled to a first drive shaft and an upper feed element (220) coupled to a second drive shaft, a first actuator coupled to the first drive shaft to rotate the lower feed element (230), and a second actuator coupled to the second drive shaft to rotate the upper feed element (220). In other embodiments, the feed wand (200) includes a shaft having a fluidizing element and an actuator produces oscillatory movement of the feed wand during dispensing of powder. Dispenser module arrays include one or a few rows of dispenser modules.
    Type: Application
    Filed: August 5, 2009
    Publication date: July 21, 2011
    Applicant: MannKind Corporation
    Inventors: Rajesh Maheshwari, Rolf Scharger, Trent A. Poole, Per B. Fog