Inventor · disambiguated record
Charles M. Schmeichel
Also filed as: SCHMEICHEL CHARLES · SCHMEICHEL CHARLES M · SCHMEICHEL CHARLES MILTON
87 granted patents·2 pending applications·1,942 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
89 records- 0199US8857887B1Tonneau cover having magnetic fastenersSCHMEICHEL CHARLES M·Filed 2012·Granted Oct 14, 2014·64 cites·37 claims
- 0299US7815239B1Tonneau cover assembliesAGRI COVER INC·Filed 2007·Granted Oct 19, 2010·58 cites·58 claims
- 0398US10189340B2Folding tonneau cover apparatusAGRI COVER INC·Filed 2017·Granted Jan 29, 2019·29 cites·30 claims
- 0498US9260139B2Tonneau cover having a draw cordAGRI COVER INC·Filed 2015·Granted Feb 16, 2016·18 cites·34 claims
- 0598US8596708B2Tonneau cover assembliesSCHMEICHEL CHARLES M·Filed 2013·Granted Dec 3, 2013·19 cites·9 claims
- 0698US8439423B2Tonneau cover assembliesSCHMEICHEL CHARLES M·Filed 2012·Granted May 14, 2013·22 cites·16 claims
- 0798US7472499B2Snow plow having pivoting mechanismAGRI COVER INC·Filed 2006·Granted Jan 6, 2009·39 cites·25 claims
- 0898US7066524B2Tonneau cover with turn knob for rear bar locksAGRI COVER INC·Filed 2005·Granted Jun 27, 2006·45 cites·23 claims
- 0998US5906407ATonneau cover tension adjuster apparatusFiled 1998·Granted May 25, 1999·103 cites·14 claims
- 1098US5076338AApparatus for covering an opening defined in a structureAGRI COVER INC·Filed 1991·Granted Dec 31, 1991·124 cites·19 claims
- 1197US11685242B2Folding tonneau cover apparatusAGRI COVER INC·Filed 2022·Granted Jun 27, 2023·4 cites·45 claims
- 1297US8496283B1Roll-up tarp apparatusSCHMEICHEL CHARLES M·Filed 2011·Granted Jul 30, 2013·29 cites·43 claims
- 1397US8167353B2Tonneau cover assembliesSCHMEICHEL CHARLES M·Filed 2011·Granted May 1, 2012·20 cites·21 claims
- 1497US8033591B2Tonneau cover assembliesAGRI COVER INC·Filed 2010·Granted Oct 11, 2011·18 cites·21 claims
- 1597US5174353AApparatus for covering an opening defined in a structureAGRI COVER INC·Filed 1991·Granted Dec 29, 1992·103 cites·21 claims
- 1697US4505512ARoll-up tarp apparatusSCHMEICHEL STEVEN C·Filed 1982·Granted Mar 19, 1985·88 cites·14 claims
- 1796US9056542B2Tonneau cover having a draw cordAGRI COVER INC·Filed 2014·Granted Jun 16, 2015·24 cites·34 claims
- 1895US9724974B2Mud flap assemblyAGRI-COVER INC·Filed 2016·Granted Aug 8, 2017·20 cites·23 claims
- 1995US9393854B2Tonneau cover having securing mechanismSCHMEICHEL CHARLES M·Filed 2015·Granted Jul 19, 2016·13 cites·41 claims
- 2095US9045069B2Tonneau cover having securing mechanismSCHMEICHEL CHARLES M·Filed 2013·Granted Jun 2, 2015·26 cites·16 claims
- 2195US8328267B2Tonneau cover having securing mechanismSCHMEICHEL CHARLES M·Filed 2011·Granted Dec 11, 2012·27 cites·22 claims
- 2295US8226150B1Roll-up tarp apparatusSCHMEICHEL CHARLES M·Filed 2009·Granted Jul 24, 2012·31 cites·75 claims
- 2395US6817118B2Self-adjusting snow plowFiled 2003·Granted Nov 16, 2004·50 cites·32 claims
- 2494US11292324B2Folding tonneau cover having secured flexible hingeAGRI COVER INC·Filed 2020·Granted Apr 5, 2022·7 cites·52 claims
- 2594US8567843B2Tonneau cover having securing mechanismSCHMEICHEL CHARLES M·Filed 2012·Granted Oct 29, 2013·22 cites·35 claims
- 2694US8083281B2Tonneau cover securing plateSCHMEICHEL CHARLES M·Filed 2009·Granted Dec 27, 2011·27 cites·29 claims
- 2794US7621582B2Tonneau cover securing plate having channel for lock memberAGRI COVER INC·Filed 2007·Granted Nov 24, 2009·39 cites·41 claims
- 2893US8069590B2Snow plow having limiting memberSCHMEICHEL CHARLES M·Filed 2010·Granted Dec 6, 2011·13 cites·23 claims
- 2993US7048277B1Strap bracket for soft roll-up coversAGRI COVER INC·Filed 2005·Granted May 23, 2006·20 cites·12 claims
- 3093US6607234B1Tonneau cover securing mechanism having spring latchAGRI COVER INC·Filed 2001·Granted Aug 19, 2003·66 cites·41 claims
- 3192US9254776B2Roll-up tarp apparatusSCHMEICHEL CHARLES M·Filed 2015·Granted Feb 9, 2016·8 cites·34 claims
- 3292US7131221B2Self-adjusting snow plowAGRI COVER INC·Filed 2004·Granted Nov 7, 2006·45 cites·85 claims
- 3392US6672644B2Tonneau cover apparatus having engagement member with integral fastening elementAGRI COVER INC·Filed 2001·Granted Jan 6, 2004·54 cites·15 claims
- 3491US11642948B2Tonneau cover having secured flexible hingeAGRI COVER INC·Filed 2020·Granted May 9, 2023·3 cites·23 claims
- 3591US11235652B2Folding tonneau cover apparatusAGRI COVER INC·Filed 2019·Granted Feb 1, 2022·5 cites·28 claims
- 3691US9387888B2Mud flap assembly having enlarged flap panelsAGRI COVER INC·Filed 2016·Granted Jul 12, 2016·10 cites·38 claims
- 3791US7472941B2Tonneau cover having securing plate with lock memberAGRI COVER INC·Filed 2005·Granted Jan 6, 2009·23 cites·74 claims
- 3891US6543835B2Tonneau cover having rear bar lockAGRI COVER INC·Filed 2001·Granted Apr 8, 2003·52 cites·51 claims
- 3991US6474654B1Tailgate sealing gasketAGRI COVER INC·Filed 2000·Granted Nov 5, 2002·31 cites·19 claims
- 4090US12330487B2Folding tonneau cover having secured flexible hingeAGRI COVER INC·Filed 2022·Granted Jun 17, 2025·3 cites·56 claims
- 4190US7104586B2Tonneau cover apparatus having rear bar lockAGRI COVER INC·Filed 2004·Granted Sep 12, 2006·43 cites·64 claims
- 4290US7008000B1Strap bracket for soft roll-up coversAGRI COVER INC·Filed 2005·Granted Mar 7, 2006·17 cites·13 claims
- 4389US10086879B2Mud flap assembly for secure attachmentAGRI COVER INC·Filed 2016·Granted Oct 2, 2018·8 cites·20 claims
- 4489US6851738B1Tonneau cover apparatus having rear bar lockFiled 2003·Granted Feb 8, 2005·43 cites·54 claims
- 4588US10000113B2Tonneau cover securing mechanismSCHMEICHEL CHARLES M·Filed 2016·Granted Jun 19, 2018·5 cites·32 claims
- 4688US8985669B2Roll-up tarp conversion kit and methods of useSCHMEICHEL CHARLES M·Filed 2013·Granted Mar 24, 2015·8 cites·27 claims
- 4786US8875419B2Snow plowSCHMEICHEL CHARLES M·Filed 2011·Granted Nov 4, 2014·10 cites·21 claims
- 4885US8857885B2Roll-up tarp apparatusSCHMEICHEL CHARLES M·Filed 2013·Granted Oct 14, 2014·7 cites·18 claims
- 4984US9272610B2Roll-up tarp apparatusSCHMEICHEL CHARLES M·Filed 2014·Granted Mar 1, 2016·6 cites·22 claims
- 5084US8534742B2Roll-up tarp apparatusSCHMEICHEL CHARLES M·Filed 2012·Granted Sep 17, 2013·7 cites·18 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Charles M. Schmeichel 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 →