Inventor · disambiguated record
Bill Witherspoon
Also filed as: WITHERSPOON BILL
22 granted patents·1,152 citations·filing 2009–2018
97Inventor score
Top patents by PatentIndex Score
22 records- 0199US9689157B1Fire and water resistant expansion and seismic joint systemEMSEAL JOINT SYS LTD·Filed 2014·Granted Jun 27, 2017·63 cites·18 claims
- 0299US9644368B1Fire and water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2014·Granted May 9, 2017·62 cites·17 claims
- 0399US9528262B2Fire and water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2014·Granted Dec 27, 2016·64 cites·43 claims
- 0499US8813449B1Fire and water resistant expansion and seismic joint systemEMSEAL JOINT SYS LTD·Filed 2012·Granted Aug 26, 2014·91 cites·17 claims
- 0599US8813450B1Fire and water resistant expansion and seismic joint systemEMSEAL JOINT SYS LTD·Filed 2012·Granted Aug 26, 2014·111 cites·17 claims
- 0699US8739495B1Fire and water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2012·Granted Jun 3, 2014·99 cites·37 claims
- 0799US8365495B1Fire and water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2009·Granted Feb 5, 2013·137 cites·39 claims
- 0899US8341908B1Fire and water resistant expansion and seismic joint systemEMSEAL JOINT SYS LTD·Filed 2010·Granted Jan 1, 2013·110 cites·10 claims
- 0998US10066387B2Precompressed foam expansion joint system transitionEMSEAL JOINT SYS LTD·Filed 2015·Granted Sep 4, 2018·39 cites·6 claims
- 1098US9689158B1Fire and water resistant expansion and seismic joint systemEMSEAL JOINT SYS LTD·Filed 2014·Granted Jun 27, 2017·69 cites·29 claims
- 1198US9670666B1Fire and water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2012·Granted Jun 6, 2017·69 cites·59 claims
- 1298US9637915B1Factory fabricated precompressed water and/or fire resistant expansion joint system transitionEMSEAL JOINT SYS LTD·Filed 2012·Granted May 2, 2017·67 cites·40 claims
- 1398US9200437B1Precompressed foam expansion joint system transitionHENSLEY LESTER·Filed 2009·Granted Dec 1, 2015·93 cites·7 claims
- 1497US10072413B2Precompressed foam expansion joint system transitionEMSEAL JOINT SYS LTD·Filed 2015·Granted Sep 11, 2018·34 cites·11 claims
- 1596US10570611B2Method of making a water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2018·Granted Feb 25, 2020·7 cites·16 claims
- 1696US10422127B2Precompressed foam expansion joint system transitionEMSEAL JOINT SYS LTD·Filed 2018·Granted Sep 24, 2019·21 cites·20 claims
- 1788US10851542B2Fire and water resistant, integrated wall and roof expansion joint seal systemEMSEAL JOINT SYS LTD·Filed 2017·Granted Dec 1, 2020·12 cites·32 claims
- 1872US10787806B2Fire and/or water resistant expansion and seismic joint systemEMSEAL JOINT SYS LTD·Filed 2017·Granted Sep 29, 2020·2 cites·29 claims
- 1971US10787805B2Fire and/or water resistant expansion and seismic joint systemEMSEAL JOINT SYS LTD·Filed 2017·Granted Sep 29, 2020·2 cites·52 claims
- 2054US10941562B2Fire and water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2016·Granted Mar 9, 2021·0 cites·40 claims
- 2154US10934702B2Fire and water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2017·Granted Mar 2, 2021·0 cites·53 claims
- 2251US10934704B2Fire and/or water resistant expansion joint systemEMSEAL JOINT SYS LTD·Filed 2017·Granted Mar 2, 2021·0 cites·55 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →