Inventor · disambiguated record
Thomas Duckwall
Also filed as: DUCKWALL THOMAS · DUCKWALL THOMAS EDWIN
7 granted patents·1 pending application·125 citations·filing 1996–2024
84Inventor score
Top patents by PatentIndex Score
8 records- 0189US11280111B2Operating a lock cylinder with multiple, supplemental locking elementsASSA ABLOY HIGH SECURITY GROUP INC·Filed 2021·Granted Mar 22, 2022·2 cites·22 claims
- 0289US6945082B2Key blank, key and master keying systemMEDECO SECURITY LOCKS·Filed 2002·Granted Sep 20, 2005·58 cites·8 claims
- 0379US12077983B2Key and key blanks operable in vertically and horizontally oriented keywaysASSA ABLOY HIGH SECURITY GROUP INC·Filed 2021·Granted Sep 3, 2024·1 cites·45 claims
- 0477US11624206B2Lock cylinder and key with multiple, supplemental locking elementsASSA ABLOY HIGH SECURITY GROUP INC·Filed 2020·Granted Apr 11, 2023·1 cites·51 claims
- 0576US2024426134A1Key and key blanks operable in vertically and horizontally oriented keywaysASSA ABLOY HIGH SECURITY GROUP INC·Filed 2024·Application pending·0 cites
- 0674US6012311ARemovable core lockMEDECO SECURITY LOCKS·Filed 1999·Granted Jan 11, 2000·47 cites·24 claims
- 0772US12196000B2Cylinder lock with multiple, supplemental locking elements and associated keyASSA ABLOY HIGH SECURITY GROUP INC·Filed 2023·Granted Jan 14, 2025·0 cites·15 claims
- 0843US5758676ASupport-door hingeWHITE CONSOLIDATED IND INC·Filed 1996·Granted Jun 2, 1998·16 cites·20 claims
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