Class F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
Subclass 1/14: Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (F04B 3/00 takes precedence; fluid-driven pumps F04B 9/08; control of reciprocating machines or pumps in general F04B 49/00) having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264660 | Wobble plate pistonwater pump for use ina low flow gas pressure washer or a low current electric pressure washer | Aug 19, 22 | Apr 01, 25 | Active Products Inc. |
| 12253071 | Drive system for a positive displacement pump | Dec 12, 23 | Mar 18, 25 | Graco Minnesota Inc. |
| 12163206 | Aluminum alloy | Oct 29, 18 | Dec 10, 24 | FNA Group, Inc. |
| 12145169 | Portable airless sprayer | Mar 17, 23 | Nov 19, 24 | Graco Minnesota Inc. |
| 12049879 | Wobble plate piston water pump for use in a low flow gas pressure washer or a low current electric pressure washer | Jul 29, 22 | Jul 30, 24 | Not available |
| 12044233 | Axial piston pump with inclined plate | Dec 01, 20 | Jul 23, 24 | MIXTRON S.R.L. |
| 11959474 | Axial piston pump with inclined plate | Nov 30, 20 | Apr 16, 24 | MIXTRON S.R.L. |
| 11867165 | Drive system for a positive displacement pump | Jun 15, 21 | Jan 09, 24 | Graco Minnesota Inc. |
| 11867163 | Electric drive compressor system | Jul 22, 19 | Jan 09, 24 | UNICLA INTERNATIONAL LIMITED |
| 11779945 | Portable airless sprayer | May 09, 23 | Oct 10, 23 | Graco Minnesota Inc. |
| 11773837 | Compressor | Jun 03, 22 | Oct 03, 23 | T/CCI Manufacturing, L.L.C. |
| 11759808 | Portable airless sprayer | May 09, 23 | Sep 19, 23 | Graco Minnesota Inc. |
| 11686295 | Variable stroke pump | Sep 28, 21 | Jun 27, 23 | CW HOLDINGS LTD. |
| 11623234 | Portable airless sprayer | Feb 05, 21 | Apr 11, 23 | Graco Minnesota Inc. |
| 11506198 | Pump with multiple outlets | Feb 25, 20 | Nov 22, 22 | Thomas Magnete GmbH |
| 11446690 | Portable airless sprayer | May 11, 22 | Sep 20, 22 | Graco Minnesota Inc. |
| 11446689 | Portable airless sprayer | May 11, 22 | Sep 20, 22 | Graco Minnesota Inc. |
| 11434890 | Wobble plate piston water pump for use in a low flow gas pressure washer or a low current electric pressure washer | Jul 20, 20 | Sep 06, 22 | Not available |
| 11359614 | Power head of vertical reciprocating pump with multi-spherical connection, and water injection pump using the same | Jul 01, 19 | Jun 14, 22 | NINGBO HELI MECHANICAL PUMP CO., LTD. |
| 11286775 | Rotatable piston assembly | Oct 15, 18 | Mar 29, 22 | Poisedon Fluid Power, LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0424,509 | PORTABLE AIRLESS SPRAYER | Sep 05, 24 | Dec 26, 24 | Not available |
| 2024/0337,256 | ELECTRO-HYDRAULIC APPARATUS, AND VEHICLE COMPRISING ELECTRO-HYDRAULIC APPARATUS | Mar 13, 24 | Oct 10, 24 | Not available |
| 2024/0102,467 | AXIAL PUMP WITH INCLINED PLATE | Jan 18, 22 | Mar 28, 24 | Not available |
| 2022/0266,280 | PORTABLE AIRLESS SPRAYER | May 11, 22 | Aug 25, 22 | Not available |
| 2019/0360,473 | WOBBLE PUMP COMPRISING A WOBBLE PLATE | Jan 16, 18 | Nov 28, 19 | Not available |
| 2019/0120,215 | VARIABLE CONTROLLED RECIPROCATION DEVICE FOR FLUIDS | Oct 23, 18 | Apr 25, 19 | Not available |
| 2018/0010,587 | DURABLE CANTED OFF-AXIS DRIVER FOR QUIET PNEUMATIC PUMPING | Jun 16, 17 | Jan 11, 18 | Not available |
| 2017/0218,929 | HYDRAULIC TRANSAXLE | Apr 13, 17 | Aug 03, 17 | KANZAKI KOKYUKOKI MFG. CO., LTD. |
| 2016/0252,080 | VARIABLE DISPLACEMENT PUMP | Nov 27, 14 | Sep 01, 16 | SCHAEFFLER TECHNOLOGIES AG & CO. KG |
| 2016/0084,240 | Integrated Pump Pressure Washer | Nov 25, 15 | Mar 24, 16 | GXI HOLDINGS, LLC |
| 2016/0003,237 | PUMP DISCHARGE FLOW-RATE CONTROL DEVICE | Mar 06, 14 | Jan 07, 16 | KYB CORPORATION |
| 2015/0275,891 | INTEGRATED MOTOR AND PUMP ASSEMBLY | Mar 27, 15 | Oct 01, 15 | SCHLUMBERGER TECHNOLOGY CORPORATION |
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