Growing community of inventors

North Canton, OH, United States of America

John D Essex

Average Co-Inventor Count = 1.85

ph-index = 14

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 512

John D EssexDarwin T McKnight (9 patents)John D EssexDavid W Moine (5 patents)John D EssexIvan Brousseau (5 patents)John D EssexGad Shaanan (5 patents)John D EssexWilliam G Alford (4 patents)John D EssexSidney H Bradd (4 patents)John D EssexSana S K Mok (4 patents)John D EssexJeffery A Morgan (3 patents)John D EssexRichard A Wareham (2 patents)John D EssexKevin L Thomas (2 patents)John D EssexRonald J Stephens (2 patents)John D EssexKenneth L Symensma (2 patents)John D EssexMilton G Kieft (2 patents)John D EssexKevin S Waltz (2 patents)John D EssexDouglas C Barker (1 patent)John D EssexEdgar A Maurer (1 patent)John D EssexLynn A Frederick (1 patent)John D EssexAdam C Sclafani (1 patent)John D EssexWalter Francovich (1 patent)John D EssexDonald A Coates (1 patent)John D EssexDaniel R Miller (1 patent)John D EssexRobert W Bauman (1 patent)John D EssexArne J Diehl (1 patent)John D EssexDavid M Allgeier (1 patent)John D EssexLuc Mion (1 patent)John D EssexJames J Girard (1 patent)John D EssexJohn D Essex (39 patents)Darwin T McKnightDarwin T McKnight (34 patents)David W MoineDavid W Moine (48 patents)Ivan BrousseauIvan Brousseau (37 patents)Gad ShaananGad Shaanan (15 patents)William G AlfordWilliam G Alford (32 patents)Sidney H BraddSidney H Bradd (25 patents)Sana S K MokSana S K Mok (6 patents)Jeffery A MorganJeffery A Morgan (37 patents)Richard A WarehamRichard A Wareham (59 patents)Kevin L ThomasKevin L Thomas (38 patents)Ronald J StephensRonald J Stephens (36 patents)Kenneth L SymensmaKenneth L Symensma (13 patents)Milton G KieftMilton G Kieft (10 patents)Kevin S WaltzKevin S Waltz (5 patents)Douglas C BarkerDouglas C Barker (28 patents)Edgar A MaurerEdgar A Maurer (26 patents)Lynn A FrederickLynn A Frederick (24 patents)Adam C SclafaniAdam C Sclafani (22 patents)Walter FrancovichWalter Francovich (19 patents)Donald A CoatesDonald A Coates (10 patents)Daniel R MillerDaniel R Miller (9 patents)Robert W BaumanRobert W Bauman (8 patents)Arne J DiehlArne J Diehl (7 patents)David M AllgeierDavid M Allgeier (6 patents)Luc MionLuc Mion (1 patent)James J GirardJames J Girard (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Hoover Comapny (39 from 429 patents)


39 patents:

1. D468876 - Hood portion for a floor cleaner

2. D468875 - Suction nozzle portion for a floor cleaner

3. 6401296 - Vacuum cleaner nozzle adapter

4. D457278 - Base for a floor cleaner

5. D456964 - Floor cleaner upper portion

6. 6374452 - Tool storage door for a floor care appliance

7. D450896 - Vacuum cleaner tool door

8. 6253414 - Carpet extractor with headlights

9. 6185781 - Hand scrub tool with interchangeable scrub drives

10. D431887 - Carpet extractor lower portion

11. D426688 - Vacuum cleaner upper portion

12. D426038 - Handle portion of an upright extractor

13. 6038732 - Vacuum cleaner nozzle adapter

14. D415596 - Top front portion of a handle portion of an upright carpet extractor

15. D403482 - Handle portion of an upright carpet extractor

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as of
12/9/2025
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