Inventor · disambiguated record
Ivars Sigurds Spulgis
Also filed as: SPULGIS IVARS S · SPULGIS IVARS SIGURDS
7 granted patents·116 citations·filing 1975–1991
86Inventor score
Top patents by PatentIndex Score
7 records- 0180US4135896AGas purifier having rechargeable adsorber filter with removeable rechargeable sample canisterCVI CORP·Filed 1975·Granted Jan 23, 1979·35 cites·26 claims
- 0272US5188519ASaturated fluid pumping apparatusCVI INC·Filed 1991·Granted Feb 23, 1993·33 cites·11 claims
- 0362US4030639ACharcoal adsorber filter fill systemPENNWALT CORP·Filed 1975·Granted Jun 21, 1977·18 cites·12 claims
- 0452US4133651AMethods for removing radioactive isotopes from contaminated streamsCVI CORP·Filed 1976·Granted Jan 9, 1979·12 cites·18 claims
- 0545US3964887ARadioactive gas standby treatment apparatus with high efficiency rechargeable charcoal filterCVI CORP·Filed 1975·Granted Jun 22, 1976·11 cites·2 claims
- 0635US3972451AAdsorber filter fill system closure apparatusCVI CORP·Filed 1975·Granted Aug 3, 1976·5 cites·11 claims
- 0726US4076057AMethods for filling filter cells with adsorbent materialPENNWALT CORP·Filed 1976·Granted Feb 28, 1978·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →