Inventor · disambiguated record
William F. Sand
Also filed as: SAND WILLIAM · SAND WILLIAM F
19 granted patents·2 pending applications·609 citations·filing 1991–2022
95Inventor score
Files withHYDRO SYSTEMS CO8SAND WILLIAM F6CAPITAL FORMATION INC2May We Help2Delaware Capital Formations1
Top patents by PatentIndex Score
21 records- 0194US6238081B1Ultra-lean dilution apparatusHYDRO SYSTEMS CO·Filed 1999·Granted May 29, 2001·74 cites·16 claims
- 0292US6499872B2Ultra-lean dilution apparatusHYDRO SYSTEMS CO·Filed 2001·Granted Dec 31, 2002·62 cites·21 claims
- 0389US6655401B2Multiple chemical product eductive dispenserHYDRO SYSTEMS CO·Filed 2001·Granted Dec 2, 2003·42 cites·7 claims
- 0489US6619318B2Multiple flow rate eductive dispenserHYDRO SYSTEMS CO·Filed 2001·Granted Sep 16, 2003·54 cites·19 claims
- 0588US5522419AChemical eductor with integral elongated air gapHYDRO SYSTEMS CO·Filed 1995·Granted Jun 4, 1996·80 cites·26 claims
- 0687US5253677AChemical eductor with integral elongated air gapHYDRO SYSTEMS CO·Filed 1992·Granted Oct 19, 1993·73 cites·6 claims
- 0787US5159958AChemical eductor with integral elongated air gapHYDRO SYSTEMS CO·Filed 1991·Granted Nov 3, 1992·71 cites·7 claims
- 0883USD577385SHeart shaped card holderSAND WILLIAM F·Filed 2006·Granted Sep 23, 2008·31 cites·1 claims
- 0979US7487795B2Chemical dispenserCAPITAL FORMATION INC·Filed 2005·Granted Feb 10, 2009·10 cites·3 claims
- 1079US5377718ASelecting and dispensing valveHYDRO SYSTEMS CO·Filed 1993·Granted Jan 3, 1995·39 cites·18 claims
- 1176US5862829AAir gap eductorHYDOR SYSTEMS COMPANY·Filed 1997·Granted Jan 26, 1999·47 cites·24 claims
- 1273US8499979B2Chemical dispensing apparatus and methodsSAND WILLIAM F·Filed 2011·Granted Aug 6, 2013·7 cites·2 claims
- 1366US9038455B2System and method for product level monitoring in a chemical dispensing systemTINCHER TERRY·Filed 2011·Granted May 26, 2015·2 cites·13 claims
- 1461US8726945B2Chemical dispensing reservoir apparatus and methodsSAND WILLIAM F·Filed 2009·Granted May 20, 2014·2 cites·17 claims
- 1554US2015233753A1Product level monitoring in a chemical dispensing systemCAPITAL FORMATION INC·Filed 2015·Application pending·0 cites
- 1651USD577074SHeart shaped card holder with traySAND WILLIAM F·Filed 2006·Granted Sep 16, 2008·8 cites·1 claims
- 1748US12390710B2Batting deviceMay We Help·Filed 2022·Granted Aug 19, 2025·0 cites·20 claims
- 1845US9096417B2Modular chemical dispensing system and methodsSAND WILLIAM F·Filed 2010·Granted Aug 4, 2015·0 cites·10 claims
- 1945US2009065065A1Accurate dilution control apparatus and methodsSAND WILLIAM F·Filed 2007·Application pending·0 cites
- 2042USD604799SRefillable chemical reservoirDelaware Capital Formations·Filed 2007·Granted Nov 24, 2009·7 cites·1 claims
- 2128USD952488SGoniometer holderMay We Help·Filed 2019·Granted May 24, 2022·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →