Integrated dot pressure protection valve
US-12595858-B2 · Apr 7, 2026 · US
Parker Hannifin Corp patents
Parker Hannifin Corp holds 1,268 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 1,268 |
| Recent patents | 226 |
| First publication | Jan 1, 2015 |
| Latest publication | Apr 7, 2026 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Gas filter separator filter cartridge with keys and/or baffle
US-2026091337-A1 · Apr 2, 2026 · US
Fitting for through-wall penetration of a composite vessel
US-2026085752-A1 · Mar 26, 2026 · US
Leak detection of fluid devices using sensor technology
US-12584815-B2 · Mar 24, 2026 · US
Tubular assembly comprising low density, low thermal conductivity low thermal effusivity polyarylene sulfide foam
US-2026078860-A1 · Mar 19, 2026 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Integrated dot pressure protection valve
US-12595858-B2 · Apr 7, 2026 · US
Gas filter separator filter cartridge with keys and/or baffle
US-2026091337-A1 · Apr 2, 2026 · US
Fitting for through-wall penetration of a composite vessel
US-2026085752-A1 · Mar 26, 2026 · US
Leak detection of fluid devices using sensor technology
US-12584815-B2 · Mar 24, 2026 · US
Tubular assembly comprising low density, low thermal conductivity low thermal effusivity polyarylene sulfide foam
US-2026078860-A1 · Mar 19, 2026 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| B60K17/28 | 35 |
| B64D37/32 | 32 |
| F15B13/0402 | 30 |
| F15B2211/20515 | 29 |
| A61H3/00 | 29 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 785 |
| Operations & Transport | 456 |
| Cross-Sectional Technologies | 239 |
| Physics | 208 |
| Electricity | 142 |
| Human Necessities | 110 |
| Fixed Constructions | 97 |
| Chemistry & Metallurgy | 65 |
| Textiles & Paper | 3 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Parker Hannifin Corp have in patentsdb?
- Parker Hannifin Corp is linked to 1,268 publications as assignee in our database.
- What technology areas does Parker Hannifin Corp patent most?
- Top mapped technology areas by patent count: Mechanical Engineering (785); Operations & Transport (456); Cross-Sectional Technologies (239).
- Is Parker Hannifin Corp's patent activity growing?
- In our data, assignee counts were 81 in 2024 and 77 in 2025 (lower year over year).
- What are recent patents assigned to Parker Hannifin Corp?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.