Variable displacement pumps
US-12331740-B2 · Jun 17, 2025 · US
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Shoemaker Mark W patents
Shoemaker Mark W is listed as an inventor on 20 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Shoemaker Mark W |
| Total patents | 20 |
| First publication | May 11, 2017 |
| Latest publication | Jun 17, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Motor driven pump with prognostic health monitoring based on motor characteristics
US-12305636-B2 · May 20, 2025 · US
Cavitation resistant journal bearing
US-12247617-B2 · Mar 11, 2025 · US
Piston rings and barrel sleeves
US-2025075794-A1 · Mar 6, 2025 · US
Electrically direct controlled variable displacement pumps
US-2024350722-A1 · Oct 24, 2024 · US
Variable displacement piston pump with electronic control unit to provide direct metering control
US-12078157-B2 · Sep 3, 2024 · US
Cavitation resistant journal bearing
US-2024191752-A1 · Jun 13, 2024 · US
Variable displacement pumps
US-2024183345-A1 · Jun 6, 2024 · US
Gear pump with cooled journal bearings
US-11898559-B2 · Feb 13, 2024 · US
Motor driven pump with prognostic health monitoring based on motor characteristics
US-2023417236-A1 · Dec 28, 2023 · US
Recent patents
Latest publications not already listed above.
Variable displacement piston pump with electronic control unit to provide direct metering control
US-2023204029-A1 · Jun 29, 2023 · US
Gear pump with cooled journal bearings
US-2023127244-A1 · Apr 27, 2023 · US
Oil control system and method for HVAC system
US-11624531-B2 · Apr 11, 2023 · US
Refrigerant charge management
US-11215388-B2 · Jan 4, 2022 · US
Oil control system and method for hvac system
US-2021123639-A1 · Apr 29, 2021 · US
Climate control outdoor unit with inverter cooling
US-10928080-B2 · Feb 23, 2021 · US
Perturbation of expansion valve in vapor compression system
US-10823474-B2 · Nov 3, 2020 · US
System and method for variable circuiting in a residential heat pump coil
US-2020232694-A1 · Jul 23, 2020 · US
Perturbation of expansion valve in vapor compression system
US-2017343260-A1 · Nov 30, 2017 · US
Climate Control Outdoor Unit with Inverter Cooling
US-2017130975-A1 · May 11, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hamilton Sundstrand Corp | 12 |
| Carrier Corp | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04B2205/05 | 4 |
| F04B1/324 | 4 |
| F25B13/00 | 4 |
| F04C2240/56 | 4 |
| F04C2240/54 | 4 |