Individual holder
BOTTOMFIELD ROGER L
US·3 granted patents·7 citations·filing 2012–2016
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0178US9512848B2Turbine cap for turbo-molecular pumpBOTTOMFIELD ROGER L·Filed 2012·Granted Dec 6, 2016·5 cites·8 claims
- 0264US9512853B2Turbine cap for turbo-molecular pumpBOTTOMFIELD ROGER L·Filed 2014·Granted Dec 6, 2016·2 cites·23 claims
- 0340US11274671B2Turbine cap for turbo-molecular pumpBOTTOMFIELD ROGER L·Filed 2016·Granted Mar 15, 2022·0 cites·19 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →