Individual holder
LOK CORP A
5 granted patents·217 citations·filing 1974–1976
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0195US4103901AMolded pleated gasket and device for installing same on pipeLOK CORP A·Filed 1976·Granted Aug 1, 1978·87 cites·9 claims
- 0289US4088361ALifting arrangements for massive objectsLOK CORP A·Filed 1976·Granted May 9, 1978·41 cites·6 claims
- 0380US3980311AJoint assembly for vertically aligned sectionalized manhole structures incorporating D-shaped gasketsLOK CORP A·Filed 1975·Granted Sep 14, 1976·31 cites·8 claims
- 0473US3974615AApparatus for forming steps in manholes and the likeLOK CORP A·Filed 1974·Granted Aug 17, 1976·30 cites·4 claims
- 0567US4073048AGasket seal between sewer pipe and manhole openingLOK CORP A·Filed 1976·Granted Feb 14, 1978·28 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →