Inventor · disambiguated record
Darwin T. Mcknight
Also filed as: MCKNIGHT DARWIN T
34 granted patents·709 citations·filing 1989–2004
98Inventor score
Files withHOOVER CO34
Top patents by PatentIndex Score
34 records- 0196USD361179SCombined wet and dry vacuum cleanerHOOVER CO·Filed 1993·Granted Aug 8, 1995·61 cites·1 claims
- 0296USD313681SUpper portion of a vacuum cleanerHOOVER CO·Filed 1989·Granted Jan 8, 1991·53 cites·1 claims
- 0394USD372567SCombined wet and dry vacuum cleanerHOOVER CO·Filed 1995·Granted Aug 6, 1996·52 cites·1 claims
- 0486US5331714AStacked looped hose rack for upright cleanerHOOVER CO·Filed 1992·Granted Jul 26, 1994·60 cites·13 claims
- 0585USD403482SHandle portion of an upright carpet extractorHOOVER CO·Filed 1997·Granted Dec 29, 1998·29 cites·1 claims
- 0682US5233722ACleaner upper portion with tool storage and doorHOOVER CO·Filed 1991·Granted Aug 10, 1993·59 cites·1 claims
- 0780US5303447AHose and tool rack for upright vacuum cleaner and method for mounting sameHOOVER CO·Filed 1992·Granted Apr 19, 1994·48 cites·21 claims
- 0878USD344821SCombined vacuum cleaner hose and tool rackHOOVER CO·Filed 1992·Granted Mar 1, 1994·19 cites·1 claims
- 0977US5111841ACentral vacuum system wall valveHOOVER CO·Filed 1990·Granted May 12, 1992·34 cites·21 claims
- 1075USD338990SSuction cleaner nozzleHOOVER CO·Filed 1990·Granted Aug 31, 1993·17 cites·1 claims
- 1175USD330616SCombined vacuum cleaner hose and rackHOOVER CO·Filed 1991·Granted Oct 27, 1992·17 cites·1 claims
- 1274USD473986SFoot of an upright vacuum cleanerHOOVER CO·Filed 2002·Granted Apr 29, 2003·19 cites·1 claims
- 1374USD358242SVacuum cleaner nozzleHOOVER CO·Filed 1993·Granted May 9, 1995·16 cites·1 claims
- 1474USD334261SCombined vacuum cleaner hose and rackHOOVER CO·Filed 1991·Granted Mar 23, 1993·16 cites·1 claims
- 1574USD334260SVacuum cleaner hose rack with tool storageHOOVER CO·Filed 1991·Granted Mar 23, 1993·17 cites·1 claims
- 1674USD333020SCombined vacuum cleaner hose and rackHOOVER CO·Filed 1991·Granted Feb 2, 1993·16 cites·1 claims
- 1774USD330615SCombined vacuum cleaner hose and rackHOOVER CO·Filed 1991·Granted Oct 27, 1992·16 cites·1 claims
- 1872USD329512SPower nozzle for a vacuum cleanerHOOVER CO·Filed 1989·Granted Sep 15, 1992·13 cites·1 claims
- 1970US6374452B1Tool storage door for a floor care applianceHOOVER CO·Filed 2000·Granted Apr 23, 2002·19 cites·15 claims
- 2070USD354378SUtility blowerHOOVER CO·Filed 1993·Granted Jan 10, 1995·13 cites·1 claims
- 2170USD329511SCombined vacuum cleaner tool and hose rackHOOVER CO·Filed 1991·Granted Sep 15, 1992·14 cites·1 claims
- 2267US5137156AHose and tool rackHOOVER CO·Filed 1991·Granted Aug 11, 1992·33 cites·13 claims
- 2361US6038732AVacuum cleaner nozzle adapterHOOVER CO·Filed 1998·Granted Mar 21, 2000·24 cites·14 claims
- 2461USD398100SCarpet extractorHOOVER CO·Filed 1996·Granted Sep 8, 1998·11 cites·1 claims
- 2557US6401296B1Vacuum cleaner nozzle adapterHOOVER CO·Filed 2000·Granted Jun 11, 2002·5 cites·14 claims
- 2653USD339435SVacuum cleaner upper portionHOOVER CO·Filed 1991·Granted Sep 14, 1993·7 cites·1 claims
- 2751USD546510SFoot of an upright vacuum cleanerHOOVER CO·Filed 2003·Granted Jul 10, 2007·7 cites·1 claims
- 2851USD393113STurbine powered extractor nozzleHOOVER CO·Filed 1997·Granted Mar 31, 1998·7 cites·1 claims
- 2948USD415596STop front portion of a handle portion of an upright carpet extractorHOOVER CO·Filed 1998·Granted Oct 19, 1999·6 cites·1 claims
- 3032USD485028SUpper portion of an upright vacuum cleanerHOOVER CO·Filed 2002·Granted Jan 6, 2004·1 cites·1 claims
- 3131USD509933SMiddle handle portion for a floor cleanerHOOVER CO·Filed 2004·Granted Sep 20, 2005·0 cites·1 claims
- 3230USD450896SVacuum cleaner tool doorHOOVER CO·Filed 2000·Granted Nov 20, 2001·0 cites·1 claims
- 3330USD381142SVacuum cleaner latchHOOVER CO·Filed 1993·Granted Jul 15, 1997·0 cites·1 claims
- 3430USD338753SConversion door for vacuum cleaner hoodHOOVER CO·Filed 1991·Granted Aug 24, 1993·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →