Patents

US 12758903 B2: Filter cartridge, and method of retrofitting filter housing

Granted
2026-10-13
Filed
2022-11-04 application 17981229
Type
Utility · 10 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

A removable filter cartridge includes a filter housing containing a filter for filtering liquid and a sealing valve assembly coupled to the filter housing and for removably coupling the filter cartridge to a filter head. The sealing valve assembly include an inlet passageway and an outlet passageway. The sealing valve also including an inlet sealing valve that blocks the inlet passageway and an outlet sealing valve that blocks the outlet passageway while the filter cartridge is uncoupled from the filter head. A method of retrofitting a filter housing includes removing the filter housing from a filter head, coupling a sealing valve assembly to the removable filter to form a removable filter cartridge, and coupling the removable filter cartridge to the filter head.

Source: PTBLXML, file of 2026-10-13 (ipgb20261013.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
ENTEGRIS, INC. 666 patentsUS company or organizationBillerica, MAENTEGRIS, INC. Federal lobbying client EXACT high confidence: identical full name and state
ENTEGRIS INC SEC filer EXACT medium confidence: identical full name, one of each nationally
PTBLXML, file of 2026-10-13

Inventors

InventorPlacePatentsPerson pageSource
Jeffrey J. MckenzieWatertown, MN10PTBLXML, file of 2026-10-13
Barry L. GregersonDeephaven, MNPTBLXML, file of 2026-10-13
James C. LinderVictoria, MN6PTBLXML, file of 2026-10-13
Hayden LincicomeWaltham, MAPTBLXML, file of 2026-10-13

CPC categories

SubclassCategoryFirst groupSource
B01DSeparationB01D35/1573PTBLXML, file of 2026-10-13

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

No recorded assignments or security interests on file for this patent.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.