Inventor · disambiguated record
David O. Keith
Also filed as: KEITH DAVID O
21 granted patents·2 pending applications·844 citations·filing 1993–2022
96Inventor score
Top patents by PatentIndex Score
23 records- 0198US6138981AInsulating connectors used to retain forms during the manufacture of composite wall structuresH K COMPOSITES INC·Filed 1998·Granted Oct 31, 2000·114 cites·26 claims
- 0296US5809723AMulti-prong connectors used in making highly insulated composite wall structuresH K COMPOSITES INC·Filed 1997·Granted Sep 22, 1998·106 cites·20 claims
- 0396USD357855SInsulating wall tie for concrete sandwich wallsH K COMPOSITES INC·Filed 1993·Granted May 2, 1995·59 cites·1 claims
- 0494US5996297AConnectors and brackets used in making insulated composite wall structuresH K COMPOSITES INC·Filed 1998·Granted Dec 7, 1999·112 cites·22 claims
- 0592USD804288STie for composite wallHK MARKETING LC·Filed 2016·Granted Dec 5, 2017·9 cites·1 claims
- 0690US10000928B2Tie for composite wall system that is both screwable and axially pushableHK MARKETING LC·Filed 2015·Granted Jun 19, 2018·8 cites·22 claims
- 0789US5673525AInsulating connector rods used in making highly insulated composite wall structuresH K COMPOSITES INC·Filed 1996·Granted Oct 7, 1997·90 cites·20 claims
- 0889US5519973AHighly insulative connector rods and methods for their manufacture and use in highly insulated composite wallsH K COMPOSITES INC·Filed 1994·Granted May 28, 1996·63 cites·13 claims
- 0988US5606832AConnectors used in making highly insulated composite wall structuresH K COMPOSITES INC·Filed 1996·Granted Mar 4, 1997·89 cites·20 claims
- 1086US6895720B2High strength composite wall connectors having tapered or pointed endsHK MARKETING LC·Filed 2003·Granted May 24, 2005·19 cites·44 claims
- 1179US6112491AInsulating connector rods and methods for their manufactureH K COMPOSITES INC·Filed 1999·Granted Sep 5, 2000·40 cites·20 claims
- 1278US6854229B2Form tie sleeves for composite action insulated concrete sandwich wallsH K MARKETING LLC·Filed 2003·Granted Feb 15, 2005·25 cites·23 claims
- 1378US5830399AMethods for manufacturing highly insulative composite wall structuresH K COMPOSITES INC·Filed 1995·Granted Nov 3, 1998·40 cites·19 claims
- 1475US5987834AInsulating connector rods and their methods of manufactureH K COMPOSITES INC·Filed 1997·Granted Nov 23, 1999·33 cites·20 claims
- 1573US10870988B2Tie for composite wall system fitting between insulation sheetsHK MARKETING LC·Filed 2019·Granted Dec 22, 2020·2 cites·21 claims
- 1668USD968199STie standoffHK MARKETING LC·Filed 2019·Granted Nov 1, 2022·10 cites·1 claims
- 1760USD764266SComposite action tieHK MARKETING LC·Filed 2015·Granted Aug 23, 2016·9 cites·1 claims
- 1859USD856122STieHK MARKETING LC·Filed 2018·Granted Aug 13, 2019·7 cites·1 claims
- 1957USD887258SComposite action tieHK MARKETING LC·Filed 2019·Granted Jun 16, 2020·5 cites·1 claims
- 2052USD856121SComposite action tieHK MARKETING LC·Filed 2018·Granted Aug 13, 2019·4 cites·1 claims
- 2146US2004055247A1High strength composite wall connectors having a tapered edgeFiled 2002·Application pending·0 cites
- 2243US2004055236A1Insulating connectors for securing insulation to an existing structureFiled 2002·Application pending·0 cites
- 2342USD1061227STie standoffHK MARKETING LC·Filed 2022·Granted Feb 11, 2025·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when David O. Keith files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →