Patent
   D361834
Priority
May 31 1991
Filed
Jan 25 1994
Issued
Aug 29 1995
Expiry
Aug 29 2009
Assg.orig
Entity
unknown
2
3
n/a
The ornamental design for an air scrubber unit for use in the removal of pollutants from the air, as shown and described.

FIG. 1 is a right side view of an air scrubber unit for use in removal of pollutants from the air, showing my new design, the left side view being identical to that shown;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof on a reduced scale; and,

FIG. 4 is a rear view thereof.

Hunniford, David J.

Patent Priority Assignee Title
D738481, Dec 30 2012 Nela D.O.O. Electrical blower
D910142, Nov 20 2018 RENA QUALITY GROUP AS Sludge separator with a single water/oil membrane separator loop
Patent Priority Assignee Title
2684870,
692255,
DE658750,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 25 1994Davis Water & Waste Industries, Inc.(assignment on the face of the patent)
Aug 26 1996DAVIS WATER & WASTE INDUSTRIES, INC U S FILTER DAVIS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0146240615 pdf
Oct 25 1996U S FILTER DAVIS, INC U S FILTER DISTRIBUTION SYSTEMS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0146240628 pdf
Oct 31 1996U S FILTER DISTRIBUTION SYSTEMS, INC U S FILTER DISTRIBUTION SYSTEMS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0146240657 pdf
Oct 31 1996U S FILTER DISTRIBUTION SYSTEMS, INC U S FILTER DISTRIBUTION GROUP, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0146240657 pdf
Oct 31 1996U S FILTER DISTRIBUTION SYSTEMS, INC U S FILTER DISTRIBUTION GROUP, INC CORRECTIVE ASSIGNMENT0146530014 pdf
Aug 08 2002U S FILTER DISTRIBUTION GROUP, INC United States Filter CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0131840634 pdf
Jul 31 2004United States Filter CorporationUSFilter CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0150930586 pdf
Sep 01 2006USFilter CorporationSIEMENS WATER TECHNOLOGIES HOLDING CORP CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0193650288 pdf
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