Inventor · disambiguated record
Bruce F. Field
Also filed as: FIELD BRUCE F
56 granted patents·23 pending applications·2,838 citations·filing 1986–2014
99Inventor score
Top patents by PatentIndex Score
79 records- 0197US8025786B2Method of generating sparged, electrochemically activated liquidTENNANT CO·Filed 2007·Granted Sep 27, 2011·38 cites·21 claims
- 0297US7199711B2Mobile floor cleaner data communicationTENNANT CO·Filed 2005·Granted Apr 3, 2007·70 cites·20 claims
- 0397US5081365AElectric hybrid vehicle and method of controlling itFIELD BRUCE F·Filed 1990·Granted Jan 14, 1992·228 cites·2 claims
- 0497US4996468AAutomated guided vehicleTENNANT CO·Filed 1989·Granted Feb 26, 1991·265 cites·9 claims
- 0596US8603320B2Mobile surface cleaner and method for generating and applying an electrochemically activated sanitizing liquid having O3 moleculesFIELD BRUCE F·Filed 2011·Granted Dec 10, 2013·17 cites·21 claims
- 0696US6705332B2Hard floor surface cleaner utilizing an aerated cleaning liquidTENNANT CO·Filed 2002·Granted Mar 16, 2004·122 cites·16 claims
- 0796US4846297AAutomated guided vehicleTENNANT CO·Filed 1988·Granted Jul 11, 1989·186 cites·20 claims
- 0896US4790402AAutomated guided vehicleTENNANT CO·Filed 1987·Granted Dec 13, 1988·173 cites·26 claims
- 0995US7891046B2Apparatus for generating sparged, electrochemically activated liquidTENNANT CO·Filed 2007·Granted Feb 22, 2011·40 cites·26 claims
- 1095US7836543B2Method and apparatus for producing humanly-perceptable indicator of electrochemical properties of an output cleaning liquidTENNANT CO·Filed 2007·Granted Nov 23, 2010·24 cites·12 claims
- 1195US6671925B2Chemical dispenser for a hard floor surface cleanerTENNANT CO·Filed 2002·Granted Jan 6, 2004·116 cites·41 claims
- 1295US6585827B2Apparatus and method of use for cleaning a hard floor surface utilizing an aerated cleaning liquidTENNANT CO·Filed 2001·Granted Jul 1, 2003·122 cites·36 claims
- 1394US8719999B2Method and apparatus for cleaning surfaces with high pressure electrolyzed fluidFIELD BRUCE F·Filed 2011·Granted May 13, 2014·21 cites·2 claims
- 1494US8025787B2Method and apparatus for generating, applying and neutralizing an electrochemically activated liquidTENNANT CO·Filed 2007·Granted Sep 27, 2011·22 cites·19 claims
- 1594US8016996B2Method of producing a sparged cleaning liquid onboard a mobile surface cleanerTENNANT CO·Filed 2007·Granted Sep 13, 2011·25 cites·23 claims
- 1694US6735811B2Cleaning liquid dispensing system for a hard floor surface cleanerTENNANT CO·Filed 2002·Granted May 18, 2004·128 cites·59 claims
- 1793US7051399B2Cleaner cartridgeTENNANT CO·Filed 2002·Granted May 30, 2006·82 cites·57 claims
- 1893US6662600B1Foamed cleaning liquid dispensing systemTENNANT CO·Filed 2002·Granted Dec 16, 2003·50 cites·16 claims
- 1993US4675935AControl and monitor for a floor maintenance deviceTENNANT CO·Filed 1986·Granted Jun 30, 1987·130 cites·21 claims
- 2092US8012339B2Hand-held spray bottle having an electrolyzer and method thereforTENNANT CO·Filed 2008·Granted Sep 6, 2011·17 cites·11 claims
- 2191US6044922AElectric hybrid vehicleFiled 1996·Granted Apr 4, 2000·84 cites·38 claims
- 2290US8156608B2Cleaning apparatus having a functional generator for producing electrochemically activated cleaning liquidFIELD BRUCE F·Filed 2007·Granted Apr 17, 2012·22 cites·20 claims
- 2389US8007654B2Electrochemically activated anolyte and catholyte liquidTENNANT CO·Filed 2007·Granted Aug 30, 2011·15 cites·16 claims
- 2489US6668954B2Electric hybrid vehicleFIELD HYBRIDS LLC·Filed 2002·Granted Dec 30, 2003·46 cites·21 claims
- 2589US6117200AElectromagnetic filter cleaning systemTENNANT CO·Filed 1998·Granted Sep 12, 2000·65 cites·13 claims
- 2689US4757566AControl of torque in floor maintenance tools by drive motor loadTENNANT CO·Filed 1987·Granted Jul 19, 1988·65 cites·14 claims
- 2788US8029739B2Ultraviolet sanitation deviceTENNANT CO·Filed 2004·Granted Oct 4, 2011·49 cites·7 claims
- 2888US7172658B2Cleaning liquid dispensing in a mobile hard surface cleanerTENNANT CO·Filed 2005·Granted Feb 6, 2007·13 cites·42 claims
- 2987US8319654B2Apparatus having electrolysis cell and indicator light illuminating through liquidFIELD BRUCE F·Filed 2009·Granted Nov 27, 2012·13 cites·15 claims
- 3087US6761127B2Apparatus for curing floor coatings using ultraviolet radiationTENNANT CO·Filed 2002·Granted Jul 13, 2004·23 cites·35 claims
- 3187US6481516B1Electric hybrid vehicleFIELD HYBRIDS LLC·Filed 2000·Granted Nov 19, 2002·56 cites·37 claims
- 3287US4679271AAutomatic tool force compensator for a surface maintenance machineTENNANT CO·Filed 1986·Granted Jul 14, 1987·61 cites·9 claims
- 3386US8046867B2Mobile surface cleaner having a sparging deviceTENNANT CO·Filed 2007·Granted Nov 1, 2011·15 cites·30 claims
- 3486US8012340B2Method for generating electrochemically activated cleaning liquidTENNANT CO·Filed 2007·Granted Sep 6, 2011·16 cites·39 claims
- 3585US5020620AOffsetting the course of a laser guided vehicleTENNANT CO·Filed 1989·Granted Jun 4, 1991·51 cites·11 claims
- 3683USD485175SCleaner cartridgeTENNANT CO·Filed 2002·Granted Jan 13, 2004·29 cites·1 claims
- 3783US6096383ACuring of floor coatings using long and short wave ultraviolet radiationTENNANT CO·Filed 1999·Granted Aug 1, 2000·61 cites·18 claims
- 3882US9061323B2Apparatus and method for generating oxidatively and thermally-enhanced treatment liquidsTENNANT CO·Filed 2013·Granted Jun 23, 2015·5 cites·11 claims
- 3981US4825500ASpeed and steering control for a floor maintenance machineTENNANT CO·Filed 1987·Granted May 2, 1989·34 cites·1 claims
- 4081US4766432ATelemetry system for floor maintenance machinesTENNANT CO·Filed 1986·Granted Aug 23, 1988·39 cites·5 claims
- 4179US8062499B2Charge movement detector for electrochemically activated liquidsFIELD BRUCE F·Filed 2009·Granted Nov 22, 2011·6 cites·15 claims
- 4279US8028365B2Hard and soft floor cleaning tool and machineTENNANT CO·Filed 2006·Granted Oct 4, 2011·9 cites·12 claims
- 4378US8236147B2Tubular electrolysis cell and corresponding methodFIELD BRUCE F·Filed 2009·Granted Aug 7, 2012·5 cites·16 claims
- 4472US5711775ASweeper with electromagnetic filter cleaningTENNANT CO·Filed 1996·Granted Jan 27, 1998·41 cites·35 claims
- 4572US4876444AProtection from extraneous light for light guided vehicleTENNANT CO·Filed 1988·Granted Oct 24, 1989·31 cites·9 claims
- 4669US8337690B2Method and apparatus for neutralizing electrochemically activated liquidsFIELD BRUCE F·Filed 2008·Granted Dec 25, 2012·2 cites·17 claims
- 4769US8051861B2Cleaning system utilizing purified waterTENNANT CO·Filed 2006·Granted Nov 8, 2011·3 cites·18 claims
- 4869US4967064AMethod and apparatus for a target determining apparatus having increased rangeTENNANT CO·Filed 1989·Granted Oct 30, 1990·28 cites·48 claims
- 4966US9700190B2Cleaning disc having sacrificial electrolysis cell and corresponding mobile floor cleanerTENNANT CO·Filed 2014·Granted Jul 11, 2017·2 cites·18 claims
- 5066US8371315B2Washing systems incorporating charged activated liquidsTENNANT CO·Filed 2010·Granted Feb 12, 2013·4 cites·19 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →