|
The ornamental design for a double membrane pump, as shown and described.
|
|||||||||||||||||
| Patent | Priority | Assignee | Title |
| 12116994, | Oct 11 2018 | PSG Germany GmbH | Diaphragm pump |
| D722328, | Aug 25 2014 | CHAMPION POWER EQUIPMENT, INC | Fuel pump assembly |
| D817360, | Jan 23 2017 | PSG CALIFORNIA LLC; PSG WORLDWIDE, INC | Double diaphragm pump |
| D861734, | Apr 12 2017 | XYLEM EUROPE GMBH | Pump motor section |
| Patent | Priority | Assignee | Title |
| D448778, | Oct 08 1999 | SMC Kabushiki Kaisha | Diaphragm pump |
| D498766, | Aug 07 2003 | SMC Corporation | Diaphragm pump |
| D499116, | Aug 07 2003 | SMC Corporation | Diaphragm pump |
| D512441, | Jul 26 2004 | SMC Corporation | Process pump |
| D624936, | Jan 12 2009 | Black & Decker Inc. | Inflator |
| D641379, | May 10 2010 | SULZER MANAGEMENT AG | Pump casing |
| D641380, | May 10 2010 | SULZER MANAGEMENT AG | Pump casing |
| D641381, | May 10 2010 | SULZER MANAGEMENT AG | Pump casing |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 02 2013 | TIMMER, HERBERT | Timmer-Pneumatik GmbH | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 031148 | /0799 | |
| Sep 06 2013 | Timmer-Pneumatik GmbH | (assignment on the face of the patent) | / |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |