Inventor · disambiguated record
David Bergmann
Also filed as: BERGMANN DAVID · BERGMANN DAVID E
5 granted patents·69 citations·filing 1981–2020
77Inventor score
Top patents by PatentIndex Score
5 records- 0177US12152790B2Hot water unit supply control systems and methodsSOUTH EAST WATER CORP·Filed 2020·Granted Nov 26, 2024·1 cites·29 claims
- 0276US4547167AApparatus and method for maintaining altitude and attitude of a neutral buoyancy balloonBERGMANN DAVID E·Filed 1983·Granted Oct 15, 1985·33 cites·9 claims
- 0371US4307537AAirborne floating lift-weight balanced toyBERGMANN DAVID E·Filed 1981·Granted Dec 29, 1981·28 cites·7 claims
- 0469US9480930B2Modular ballast for balancing neutrally buoyant amusement balloonsBERGMANN DAVID·Filed 2012·Granted Nov 1, 2016·7 cites·2 claims
- 0540US10969120B2Hot water unit fluid supply control systems and methodsSOUTH EAST WATER CORP·Filed 2017·Granted Apr 6, 2021·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →