Individual holder
SORENSEN EMIL A
CH·3 granted patents·45 citations·filing 1990–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0169US5060688APressure relief valve for pressure equalization between a closed space and the surrounding atmosphereSORENSEN EMIL A·Filed 1990·Granted Oct 29, 1991·32 cites·13 claims
- 0239US5213127AVacuum valve for use in an emergency system for reducing the risk of escape from injuries under the waterline of tankersSORENSEN EMIL A·Filed 1991·Granted May 25, 1993·6 cites·23 claims
- 0338US5050639AOverfill protecting arrangement for a liquid storage tankSORENSEN EMIL A·Filed 1990·Granted Sep 24, 1991·7 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →