Assignee
DUBOIS CHEM INC
US·16 granted patents·2 pending applications·136 citations·filing 1987–2025
Top patents by PatentIndex Score
18 records- 0185US7918968B1Apparatus for cleaning paper machine press fabrics on-the-runDUBOIS CHEM INC·Filed 2010·Granted Apr 5, 2011·8 cites·10 claims
- 0285US7833332B2Coating solution for metal surfacesDUBOIS CHEM INC·Filed 2008·Granted Nov 16, 2010·6 cites·18 claims
- 0380US5061392AMethod of making paste detergent and product producedDUBOIS CHEM INC·Filed 1990·Granted Oct 29, 1991·49 cites·19 claims
- 0472US7597782B2Press stable method of cleaning paper machine press fabrics on-the-runDUBOIS CHEM INC·Filed 2006·Granted Oct 6, 2009·3 cites·17 claims
- 0571US4874541AAll-in-one boiler water treatment compositionDUBOIS CHEM INC·Filed 1988·Granted Oct 17, 1989·18 cites·6 claims
- 0669US7850824B2Apparatus for cleaning paper machine press fabrics on-the-runDUBOIS CHEM INC·Filed 2009·Granted Dec 14, 2010·2 cites·26 claims
- 0769US2026022468A1Conversion coating solutions and methods of use thereforDUBOIS CHEM INC·Filed 2025·Application pending·0 cites
- 0865US9751782B2Wastewater treatment system and methodDUBOIS CHEM INC·Filed 2013·Granted Sep 5, 2017·1 cites·20 claims
- 0961US4891141AOxygen scavenger for boiler water and method of useDUBOIS CHEM INC·Filed 1987·Granted Jan 2, 1990·23 cites·4 claims
- 1051US11629991B2Aspect ratio flow metering device and methods of usingDUBOIS CHEM INC·Filed 2020·Granted Apr 18, 2023·0 cites·14 claims
- 1149US9856398B2Method for controlling deposits on papermaking surfacesDUBOIS CHEM INC·Filed 2015·Granted Jan 2, 2018·0 cites·32 claims
- 1249US4781843AChemical treatment for algae control in open water systemsDUBOIS CHEM INC·Filed 1987·Granted Nov 1, 1988·11 cites·11 claims
- 1349US2015148279A1Method of removing polymeric contaminants from papermaking surfacesDUBOIS CHEM INC·Filed 2015·Application pending·0 cites
- 1444US10710037B2Chemical mixing system and methodDUBOIS CHEM INC·Filed 2015·Granted Jul 14, 2020·0 cites·15 claims
- 1544US5019290AMethod of formulating high caustic paste dishwashing compositions made compositions thereby, wherein phosphate reversion is minimizedDUBOIS CHEM INC·Filed 1989·Granted May 28, 1991·15 cites·7 claims
- 1642US10604895B2Method of improving paper machine forming wire, felt and woven dryer belt performance by the application of peroxide containing solutionsDUBOIS CHEM INC·Filed 2017·Granted Mar 31, 2020·0 cites·13 claims
- 1739US12559322B2System and method for lubricating a conveyorDUBOIS CHEM INC·Filed 2024·Granted Feb 24, 2026·0 cites·19 claims
- 1836US10851330B2Method of improving paper machine fabric performanceDUBOIS CHEM INC·Filed 2016·Granted Dec 1, 2020·0 cites·25 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →