The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2026
Filed:
Feb. 02, 2023
Applicant:
Pharmajet Inc., Golden, CO (US);
Inventors:
Assignee:
PharmaJet, Inc., Golden, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/32 (2006.01); A61M 5/20 (2006.01); A61M 5/31 (2006.01); A61M 5/315 (2006.01);
U.S. Cl.
CPC ...
A61M 5/3243 (2013.01); A61M 5/2033 (2013.01); A61M 5/3155 (2013.01); A61M 2005/206 (2013.01); A61M 2005/3126 (2013.01);
Abstract
A needle-free injector including dose setting apparatus. The needle-free injector includes a hammer housing, a mainspring positioned within the hammer housing, and a hammer assembly engaged with the mainspring. The hammer assembly may include a hammer sleeve and a hammer engaged with the hammer sleeve, where the engagement between the hammer sleeve and the hammer provides for a forward or rearward position of the hammer with respect to the hammer sleeve be changed to select an injection dose from two or more available injection doses. Additional embodiments include methods of varying or setting the dose delivered by a needle-free injector.