Assignee
CHAPIN MFG INC
US·106 granted patents·1 pending application·1,177 citations·filing 1996–2022
Top patents by PatentIndex Score
107 records- 0196US10562052B2Battery operated backpack sprayerCHAPIN MFG INC·Filed 2015·Granted Feb 18, 2020·11 cites·17 claims
- 0295US10994294B2Backpack sprayer with selectable internal pumpCHAPIN MFG INC·Filed 2020·Granted May 4, 2021·5 cites·13 claims
- 0394US6440303B2Fluid filterCHAPIN MFG INC·Filed 2001·Granted Aug 27, 2002·113 cites·7 claims
- 0493USD772380SHose end sprayerCHAPIN MFG INC·Filed 2015·Granted Nov 22, 2016·44 cites·1 claims
- 0591US10864538B2Dual chamber backpack sprayerCHAPIN MFG INC·Filed 2019·Granted Dec 15, 2020·6 cites·8 claims
- 0691USD431279STank for a hand operated sprayerCHAPIN MFG INC·Filed 2000·Granted Sep 26, 2000·51 cites·1 claims
- 0789US10766046B2Mix on demand smart backpack sprayer with removable concentrate tankCHAPIN MFG INC·Filed 2018·Granted Sep 8, 2020·5 cites·11 claims
- 0889US10639657B2Mix on demand smart backpack sprayerCHAPIN MFG INC·Filed 2018·Granted May 5, 2020·5 cites·11 claims
- 0988US10413922B2Mix on demand sprayer with external by-pass circuitCHAPIN MFG INC·Filed 2018·Granted Sep 17, 2019·5 cites·11 claims
- 1088USD823655SHand-held spreaderCHAPIN MFG INC·Filed 2017·Granted Jul 24, 2018·14 cites·1 claims
- 1187US10625284B1Modular frame for a backpack sprayerCHAPIN MFG INC·Filed 2019·Granted Apr 21, 2020·5 cites·6 claims
- 1286USD930113SWet/dry hose end sprayerCHAPIN MFG INC·Filed 2019·Granted Sep 7, 2021·23 cites·1 claims
- 1386US10639659B1Backpack sprayer with internal pumpCHAPIN MFG INC·Filed 2019·Granted May 5, 2020·4 cites·9 claims
- 1486US8038038B2Spring engine driven fluid dispensing systemCHAPIN MFG INC·Filed 2007·Granted Oct 18, 2011·17 cites·17 claims
- 1584USD591387STank for a backpack sprayerCHAPIN MFG INC·Filed 2007·Granted Apr 28, 2009·30 cites·1 claims
- 1683US10596530B2Variable venturi device with adjustable valve stemCHAPIN MFG INC·Filed 2018·Granted Mar 24, 2020·3 cites·12 claims
- 1783USD768263SSpray gunCHAPIN MFG INC·Filed 2015·Granted Oct 4, 2016·36 cites·1 claims
- 1882US9657451B2Manually operable push from behind spreaderCHAPIN MFG INC·Filed 2015·Granted May 23, 2017·5 cites·18 claims
- 1982USD567897SSprayer tankCHAPIN MFG INC·Filed 2005·Granted Apr 29, 2008·27 cites·1 claims
- 2082US6695228B2Self-pressurizing sprayerCHAPIN MFG INC·Filed 2001·Granted Feb 24, 2004·42 cites·5 claims
- 2181US11207708B2Handheld fluid applicatorCHAPIN MFG INC·Filed 2018·Granted Dec 28, 2021·2 cites·8 claims
- 2281US10088059B2Spreader with rotary slide gateCHAPIN MFG INC·Filed 2017·Granted Oct 2, 2018·3 cites·2 claims
- 2380US10472139B2Dosing cap and system and method of using sameCHAPIN MFG INC·Filed 2017·Granted Nov 12, 2019·3 cites·12 claims
- 2480USD760345SCap for a sprayer tankCHAPIN MFG INC·Filed 2015·Granted Jun 28, 2016·20 cites·1 claims
- 2579USD749192SBattery operated motor driven backpack sprayerCHAPIN MFG INC·Filed 2014·Granted Feb 9, 2016·22 cites·1 claims
- 2679USD590043SSprayer tankCHAPIN MFG INC·Filed 2007·Granted Apr 7, 2009·24 cites·1 claims
- 2779US6209804B1Bulkhead fitting for a tank sprayer having a non-rotatable hose adapterCHAPIN MFG INC·Filed 2000·Granted Apr 3, 2001·28 cites·8 claims
- 2878US10743459B2Hand-held spreaderCHAPIN MFG INC·Filed 2017·Granted Aug 18, 2020·6 cites·14 claims
- 2978USD582512STank for a sprayerCHAPIN MFG INC·Filed 2008·Granted Dec 9, 2008·22 cites·1 claims
- 3077USD612548SBird feederCHAPIN MFG INC·Filed 2009·Granted Mar 23, 2010·21 cites·1 claims
- 3176US11213841B2Wet/dry hose end sprayerCHAPIN MFG INC·Filed 2019·Granted Jan 4, 2022·1 cites·19 claims
- 3276US10736263B2Controlled-release spreaderCHAPIN MFG INC·Filed 2018·Granted Aug 11, 2020·4 cites·12 claims
- 3376USD834901SHand-held spreaderCHAPIN MFG INC·Filed 2017·Granted Dec 4, 2018·15 cites·1 claims
- 3476USD604385SSprayer tankCHAPIN MFG INC·Filed 2008·Granted Nov 17, 2009·20 cites·1 claims
- 3574USD547416SSprayer tankCHAPIN MFG INC·Filed 2005·Granted Jul 24, 2007·22 cites·1 claims
- 3673US12023704B2Wet/dry hose end sprayerCHAPIN MFG INC·Filed 2022·Granted Jul 2, 2024·0 cites·15 claims
- 3773US10786788B2Fluid injection system with fertigation basketCHAPIN MFG INC·Filed 2018·Granted Sep 29, 2020·1 cites·13 claims
- 3873USD636848SSpray gun having a snap-on coupling on the top thereofCHAPIN MFG INC·Filed 2010·Granted Apr 26, 2011·19 cites·1 claims
- 3972USD673645SPump and tank assembly for a hand-operated sprayerCHAPIN MFG INC·Filed 2012·Granted Jan 1, 2013·17 cites·1 claims
- 4072USD594087SSprayer tankCHAPIN MFG INC·Filed 2007·Granted Jun 9, 2009·18 cites·1 claims
- 4171US9556863B2Peristaltic pump and trailer mounted self pumping sprayer system incorporating sameCHAPIN MFG INC·Filed 2014·Granted Jan 31, 2017·1 cites·18 claims
- 4269US7025878B2Fluid filterCHAPIN MFG INC·Filed 2002·Granted Apr 11, 2006·15 cites·19 claims
- 4368USD902349SBackpack sprayer with internal pumpCHAPIN MFG INC·Filed 2019·Granted Nov 17, 2020·11 cites·1 claims
- 4468USD850495SDosing capCHAPIN MFG INC·Filed 2017·Granted Jun 4, 2019·10 cites·1 claims
- 4568USD490299SSprayerCHAPIN MFG INC·Filed 2003·Granted May 25, 2004·17 cites·1 claims
- 4668USD490140SSprayer having a detachable shieldCHAPIN MFG INC·Filed 2003·Granted May 18, 2004·17 cites·1 claims
- 4768US6347729B1Hose coupling apparatus for sprayer unitCHAPIN MFG INC·Filed 2000·Granted Feb 19, 2002·18 cites·25 claims
- 4867USD604386SSprayer tankCHAPIN MFG INC·Filed 2009·Granted Nov 17, 2009·14 cites·1 claims
- 4966US10464087B2Mix on demand sprayerCHAPIN MFG INC·Filed 2017·Granted Nov 5, 2019·1 cites·17 claims
- 5066USD620556SCombined sprayer tank cap and pressure relief valveCHAPIN MFG INC·Filed 2006·Granted Jul 27, 2010·15 cites·1 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
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