Inventor · disambiguated record
Karlis Vizulis
Also filed as: VIZULIS KARLIS
7 granted patents·1 pending application·518 citations·filing 1980–2021
89Inventor score
Files withGELMAN SCIENCES INC2VON REIS CHARLES2CROWN GLASS COMPANY INC1PERFORMANCE SYSTEMATIX INC1V2 ENG GROUP LLC1
Top patents by PatentIndex Score
8 records- 0191US4765499AFilter capVON REIS CHARLES·Filed 1987·Granted Aug 23, 1988·116 cites·12 claims
- 0288US6602309B2Vented, grooved back, heat induction foilPERFORMANCE SYSTEMATIX INC·Filed 2001·Granted Aug 5, 2003·84 cites·9 claims
- 0385US11229501B2Negative pressure chamber for patient intubationV2 ENG GROUP LLC·Filed 2021·Granted Jan 25, 2022·4 cites·20 claims
- 0482US4459139ADisposable filter device and liquid aspirating system incorporating sameGELMAN SCIENCES INC·Filed 1981·Granted Jul 10, 1984·188 cites·8 claims
- 0565US4863696AApparatus for the percutaneous absorption of fluidsCROWN GLASS COMPANY INC·Filed 1988·Granted Sep 5, 1989·34 cites·1 claims
- 0655US4319996AFilter with initially flat membrane and curved membrane supportGELMAN SCIENCES INC·Filed 1980·Granted Mar 16, 1982·56 cites·4 claims
- 0749US2022110711A1Negative pressure chamber for patient intubationV2 ENG GROUP LLC DBA A/X MEDICAL·Filed 2021·Application pending·0 cites
- 0843US4561868ACanister filter assemblyVON REIS CHARLES·Filed 1984·Granted Dec 31, 1985·36 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →