Inventor · disambiguated record
Richard D. Sangster, Jr.
Also filed as: SANGSTER JR RICHARD D · SANGSTER RICHARD
4 granted patents·3 pending applications·47 citations·filing 1995–2025
74Inventor score
Files withSARGENT MFG CO4ASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC1ASSA ABLOY INC1JOHN O DWYER1
Top patents by PatentIndex Score
7 records- 0183US10655363B2Integrated lock body system for securing access pointsASSA ABLOY INC·Filed 2015·Granted May 19, 2020·7 cites·20 claims
- 0278US5679195AWeb splicing apparatusJOHN O DWYER·Filed 1995·Granted Oct 21, 1997·34 cites·4 claims
- 0375US11585116B2Anti-ligature leverSARGENT MFG CO·Filed 2019·Granted Feb 21, 2023·4 cites·16 claims
- 0466US11851913B2Hook bolt for door lockSARGENT MFG CO·Filed 2018·Granted Dec 26, 2023·2 cites·21 claims
- 0555US2024151066A1Dogging indicator for door exit deviceASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2023·Application pending·0 cites
- 0654US2025257589A1Exit device privacy functionSARGENT MFG CO·Filed 2025·Application pending·0 cites
- 0750US2025270854A1Exit device with lockdown functionSARGENT MFG CO·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →