Patent
   D648426
Priority
Jan 29 2010
Filed
Jul 28 2010
Issued
Nov 08 2011
Expiry
Nov 08 2025
Assg.orig
Entity
unknown
6
21
n/a
The ornamental design for an aeration pipe unit, as shown and described.

FIG. 1 is a perspective view of an aeration pipe unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left right side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are for the purpose of illustrating portions of the aeration pipe unit and form no part of the claimed design.

Yanone, Katsuyuki, Sueyoshi, Shinya, Kawagishi, Tomoki

Patent Priority Assignee Title
D721796, Jun 06 2013 Raingutter sun shade for open animal shelter
D722142, Jul 11 2012 Mitsubishi Chemical Corporation Aeration tube
D722367, Jul 11 2012 Mitsubishi Chemical Corporation Aeration tube
D723140, Jul 11 2012 Mitsubishi Chemical Corporation Aeration tube
D723141, Jul 11 2012 Mitsubishi Chemical Corporation Aeration tube
D929547, Mar 24 2021 Water line manifold guard
Patent Priority Assignee Title
3612282,
4911846, May 27 1988 KURARAY MEDICAL, INC Fluid treating apparatus and method of using it
5174900, Mar 24 1989 STANDARD OIL COMPANY, THE Apparatus for separation and for treatment of fluid feedstreams, wafers for use therein and related methods
5192456, Mar 07 1991 Kubota Corporation Apparatus for treating activated sludge and method of cleaning it
5202023, Dec 20 1991 MG GENERON, INC Flexible hollow fiber fluid separation module
5236665, Oct 20 1988 Jostra Bentley Inc Hollow fiber treatment apparatus and membrane oxygenator
5338512, Oct 20 1988 Jostra Bentley Inc Method for oxygenation of a patient's blood
5922201, Feb 12 1992 Mitsubishi Rayon Co., Ltd. Hollow fiber membrane module
6153097, May 26 1999 MG Generon; TOLEDO, UNIVERSITY OF Internal staged permeator for fluid separation
6214226, Feb 18 1999 Mitsubishi Chemical Corporation Hollow fiber membrane module, hollow fiber membrane module unit which utilizes the module, and purification tank with the module unit installed therein
6555005, Dec 18 1997 Evoqua Water Technologies LLC Scouring method
6630069, Dec 27 1996 EBARA ENGINEERING SERVICE CO , LTD Hollow fiber membrane module of immersing type
20010009235,
20030038075,
20040045890,
20050121391,
20060014274,
20100258492,
20100270227,
20110024345,
D375540, Jun 26 1995 Aeration unit
/////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 28 2010Mitsubishi Rayon Company, Ltd.(assignment on the face of the patent)
Aug 24 2010YANONE, KATSUYUKIMITSUBISHI RAYON CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0250790363 pdf
Aug 24 2010KAWAGISHI, TOMOKIMITSUBISHI RAYON CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0250790363 pdf
Aug 24 2010SUEYOSHI, SHINYAMITSUBISHI RAYON CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0250790363 pdf
Apr 01 2017MITSUBISHI RAYON CO , LTD Mitsubishi Chemical CorporationCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0437500834 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule