Posts Tagged: vacuum cleaner


SharkNinja Denied by PTAB, IPR Petition to Vacuum Cleaner Hose Patent Not Instituted

The Patent Trial and Appeal Board issued a decision denying the institution of an inter partes review (IPR) proceeding petitioned by home appliance developer SharkNinja. The decision …
By Steve Brachmann
2 years ago 1

Class Action Lawsuit Filed Against U.S. Government Alleging PTAB Violates Takings Clause and Due Process

On Wednesday, May 9th, Oklahoma-based patent owner Christy Inc. filed a class action complaint in the U.S. Court of Federal Claims against the United States seeking …
By Steve Brachmann
2 years ago 44

Vacuum Cleaner Patented Jan. 1, 2008

Upright Type Cleaner U.S. Patent No. 7,313,845 [ PDF ] Patent Issued: January 1, 2008 It is almost unbeliveable to imagine, but on New Years Day 2008, while many of us were …
By Gene Quinn
12 years ago 1