Assignee
D&L MFG INC
US·3 granted patents·1 pending application·4 citations·filing 2018–2023
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0173US11851962B1Resettable element back-up systemD&L MFG INC·Filed 2021·Granted Dec 26, 2023·1 cites·13 claims
- 0271US10450816B2Bypass style hydraulic set and quarter turn tubing anchorsD&L MFG INC·Filed 2018·Granted Oct 22, 2019·3 cites·28 claims
- 0363US12359518B1Resettable element back-up systemD&L MFG INC·Filed 2023·Granted Jul 15, 2025·0 cites·13 claims
- 0433US2020095837A1Control Line Set ESP Packer With Anti-Preset DeviceD&L MFG INC·Filed 2019·Application pending·0 cites
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