|
The ornamental design for a diffuser for water aeration, as shown and described. |
FIG. 1 is a perspective top view showing our new design;
FIG. 2 is a perspective bottom view thereof;
FIG. 3 is a perspective right side view thereof;
FIG. 4 is a perspective front view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a left side view thereof;
FIG. 9 is a rear view thereof; and,
FIG. 10 is front view thereof.
Ryynanen, Hannu, Kahonen, Hannu, Hasto , Magnus
Patent | Priority | Assignee | Title |
D407139, | Nov 13 1997 | MAAX SPAS INDUSTRIES CORP | Jet water diffuser |
D987022, | Oct 08 2021 | IGNASI CLOTET S L | Water-purifying apparatus |
Patent | Priority | Assignee | Title |
3360460, | |||
3953554, | Jul 11 1973 | Ashland Vault Incorporated | Diffuser for aeration systems |
4848749, | Mar 16 1984 | Baker Hughes Incorporated | Diffuser for aeration basin |
4849139, | Mar 26 1987 | Arnold, Jager | Device for aerating water |
4981623, | Mar 12 1990 | AquaTec, Inc. | Diffuser for aeration basin |
5378355, | Dec 04 1992 | ITT Manufacturing Enterprises, Inc | Direct delivery in-situ diffuser cleaning |
200088, | |||
D318094, | Apr 26 1989 | FLOATRON, INC , A CORP OF MISSOURI | Water purifier |
D321743, | Dec 14 1988 | BROOK DESIGN HARDWARE LIMITED | Hood for vent mounting on window sill or frame |
D321745, | Jun 15 1990 | WILTON INDUSTRIES, INC , A DE CORPORATION | Water filter |
D371187, | Apr 26 1994 | Nopon Oy | Disc diffuser |
RE33899, | Dec 21 1988 | Fine bubble diffuser and diffuser system having filtered blow-down tube |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 06 1996 | HASTO, MAGNUS | Nopon Oy | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008271 | /0437 | |
Jun 06 1996 | KAHONEN, HANNU | Nopon Oy | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008271 | /0437 | |
Jun 06 1996 | RYYNANEN, HANNU | Nopon Oy | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008271 | /0437 | |
Jun 12 1996 | Nopon Oy | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |