Inventor · disambiguated record
Peter H. Field
Also filed as: FIELD PETER · FIELD PETER H
30 granted patents·4 pending applications·835 citations·filing 1989–2024
97Inventor score
Files withMEDECO SECURITY LOCKS23ASSA ABLOY HIGH SECURITY GROUP INC5MEDECO SECURITY LOCK INC4FIELD PETER1FIELD PETER H1
Top patents by PatentIndex Score
34 records- 0197US6477875B2Rotating pin tumbler side bar lock with side bar controlMEDECO SECURITY LOCKS·Filed 2001·Granted Nov 12, 2002·117 cites·15 claims
- 0293US9416561B2Cylinder lock configured to be operated by a flat-bladed keyMEDECO SECURITY LOCKS·Filed 2015·Granted Aug 16, 2016·13 cites·10 claims
- 0390US7690231B1Electromechanical cylinder lockMEDECO SECURITY LOCK INC·Filed 1997·Granted Apr 6, 2010·57 cites·16 claims
- 0489US11280111B2Operating a lock cylinder with multiple, supplemental locking elementsASSA ABLOY HIGH SECURITY GROUP INC·Filed 2021·Granted Mar 22, 2022·2 cites·22 claims
- 0589US9920551B2Electromechanical cylinder lockMEDECO SECURITY LOCKS·Filed 2013·Granted Mar 20, 2018·5 cites·1 claims
- 0689US9771738B2Flat-bladed keyMEDECO SECURITY LOCKS·Filed 2015·Granted Sep 26, 2017·8 cites·25 claims
- 0789US6945082B2Key blank, key and master keying systemMEDECO SECURITY LOCKS·Filed 2002·Granted Sep 20, 2005·58 cites·8 claims
- 0888US5839307AElectromechanical cylinder lock with rotary releaseMEDECO SECURITY LOCKS·Filed 1997·Granted Nov 24, 1998·83 cites·19 claims
- 0988US5088306ACylinder lock with changeable keywayMEDECO SECURITY LOCKS·Filed 1989·Granted Feb 18, 1992·51 cites·13 claims
- 1086US5419168AHierarchical cylinder lock and key systemMEDECO SECURITY LOCKS·Filed 1993·Granted May 30, 1995·53 cites·6 claims
- 1185US6578396B2Removable cylindrical lock coreMEDECO SECURITY LOCKS·Filed 2002·Granted Jun 17, 2003·45 cites·4 claims
- 1285US6382006B1Removable cylindrical lock coreMEDECO SECURITY LOCK INC·Filed 2000·Granted May 7, 2002·50 cites·10 claims
- 1384US8186194B2Cylinder lock and auxiliary locking mechanismFIELD PETER H·Filed 2009·Granted May 29, 2012·29 cites·13 claims
- 1484US5570601AHierarchical cylinder lock and key systemMEDECO SECURITY LOCKS·Filed 1995·Granted Nov 5, 1996·53 cites·10 claims
- 1583US7797973B2Hierarchical cylinder lock systemsMEDECO SECURITY LOCKS·Filed 2008·Granted Sep 21, 2010·21 cites·15 claims
- 1679US12077983B2Key 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
- 1778US9482031B2Cylinder lock including multiple cooperating sidebars for controlling the lockMEDECO SECURITY LOCKS·Filed 2015·Granted Nov 1, 2016·5 cites·17 claims
- 1878US7412860B1Key blank and keyMEDECO SECURITY LOCKS·Filed 2007·Granted Aug 19, 2008·11 cites·14 claims
- 1977US11624206B2Lock cylinder and key with multiple, supplemental locking elementsASSA ABLOY HIGH SECURITY GROUP INC·Filed 2020·Granted Apr 11, 2023·1 cites·51 claims
- 2077US6023954AKeys for cylinder locksMEDECO SECURITY LOCKS·Filed 1996·Granted Feb 15, 2000·35 cites·10 claims
- 2176US5615565AKeys for cylinder locksMEDECO SECURITY LOCKS·Filed 1995·Granted Apr 1, 1997·33 cites·13 claims
- 2276US2024426134A1Key and key blanks operable in vertically and horizontally oriented keywaysASSA ABLOY HIGH SECURITY GROUP INC·Filed 2024·Application pending·0 cites
- 2375US5289709APin tumblers and corresponding keys for cylinder locksMEDECO SECURITY LOCKS·Filed 1991·Granted Mar 1, 1994·41 cites·14 claims
- 2474US9045915B2Key with movable element disposed within key bladeMEDECO SECURITY LOCKS·Filed 2014·Granted Jun 2, 2015·7 cites·11 claims
- 2574US7552608B2Lock, key blank, and key of a hierarchical lock systemMEDECO SECURITY LOCKS·Filed 2008·Granted Jun 30, 2009·7 cites·16 claims
- 2673US9359793B2Cylinder lock with internal slider and key thereforeMEDECO SECURITY LOCKS·Filed 2014·Granted Jun 7, 2016·6 cites·13 claims
- 2772US12196000B2Cylinder lock with multiple, supplemental locking elements and associated keyASSA ABLOY HIGH SECURITY GROUP INC·Filed 2023·Granted Jan 14, 2025·0 cites·15 claims
- 2870US7788956B2Lock, key blank, and key of a hierarchical lock systemMEDECO SECURITY LOCKS·Filed 2009·Granted Sep 7, 2010·5 cites·11 claims
- 2969USD324480SDropbolt lockMEDECO SECURITY LOCKS·Filed 1990·Granted Mar 10, 1992·14 cites·1 claims
- 3067US7895865B2Cylinder lock assembly with a tailpiece rotationally coupled to the cylinder plugMEDECO SECURITY LOCKS·Filed 2008·Granted Mar 1, 2011·5 cites·23 claims
- 3159US5044181ADropbolt lock assemblyMEDECO SECURITY LOCKS·Filed 1990·Granted Sep 3, 1991·19 cites·15 claims
- 3250US2011308285A1Electromechanical cylinder lockFIELD PETER·Filed 2011·Application pending·0 cites
- 3349US2011088439A1Electromechanical cylinder lockMEDECO SECURITY LOCK INC·Filed 2010·Application pending·0 cites
- 3447US2010170312A1Electromechanical cylinder lockMEDECO SECURITY LOCK INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →