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. 11, 2013
Filed:
Aug. 01, 2011
James Scott, Chanhassen, MN (US);
Carolyn Finnerty, Bloomington, MN (US);
Steven Gieseke, Richfield, MN (US);
Douglas Iddings, Waconia, MN (US);
William Juliar, Coon Rapids, MN (US);
Gregory Lavallee, Monticello, MN (US);
James Scott, Chanhassen, MN (US);
Carolyn Finnerty, Bloomington, MN (US);
Steven Gieseke, Richfield, MN (US);
Douglas Iddings, Waconia, MN (US);
William Juliar, Coon Rapids, MN (US);
Gregory LaVallee, Monticello, MN (US);
Donaldson Company, Pnc., Minneapolis, MN (US);
Abstract
The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.