Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
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Borkholder David A — Mechanical Engineering
Borkholder David A holds 5 patents in Mechanical Engineering, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Borkholder David A |
| Technology | Mechanical Engineering |
| Patents in slice | 5 |
| Recent patents in slice | 2 |
| First year | 2018 |
| Last year | 2025 |
Representative patents
Notable publications linking Borkholder David A to Mechanical Engineering.
Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
Leak-Free, Diffusion-Blocking Check Valve, Pump and Method
US-2024271610-A1 · Aug 15, 2024 · US
Recent filings
Latest patents from Borkholder David A in Mechanical Engineering.
Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
Leak-free, diffusion-blocking check valve, pump and method
US-12258952-B2 · Mar 25, 2025 · US
Leak-Free, Diffusion-Blocking Check Valve, Pump and Method
US-2024271610-A1 · Aug 15, 2024 · US
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