Inventor · disambiguated record
David Welch
Also filed as: WELCH DAVID · WELCH DAVID E · WELCH DAVID EMANUEL
5 granted patents·2 pending applications·113 citations·filing 1998–2024
76Inventor score
Files withLNW GAMING INC2SG GAMING INC2NIGHT & DAY GOLF INC1PRINTPACK ILLINOIS INC1WELCH AGGREGATES LLC1
Top patents by PatentIndex Score
7 records- 0187US11605269B2Bingo gaming systemSG GAMING INC·Filed 2022·Granted Mar 14, 2023·2 cites·20 claims
- 0287US11288928B2Bingo gaming systemSG GAMING INC·Filed 2021·Granted Mar 29, 2022·3 cites·22 claims
- 0383US5989135ALuminescent golf ballNIGHT & DAY GOLF INC·Filed 1998·Granted Nov 23, 1999·107 cites·9 claims
- 0473US12118858B2Bingo gaming systemLNW GAMING INC·Filed 2022·Granted Oct 15, 2024·1 cites·23 claims
- 0553US2024395114A1Bingo gaming systemLNW GAMING INC·Filed 2024·Application pending·0 cites
- 0647US2020223346A1Improved wet plant for a sand mineWELCH AGGREGATES LLC·Filed 2019·Application pending·0 cites
- 0740US12054328B1Packaging material with concealed plate breaksPRINTPACK ILLINOIS INC·Filed 2019·Granted Aug 6, 2024·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →