Growing community of inventors

Cleveland Heights, OH, United States of America

Philip C Dretzka

Average Co-Inventor Count = 1.28

ph-index = 33

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 = 2,913

Philip C DretzkaDavid J Martin (13 patents)Philip C DretzkaTyler E Peterson (8 patents)Philip C DretzkaDaniel A Phipps (7 patents)Philip C DretzkaRyan J Sweere (5 patents)Philip C DretzkaAaron A Hernandez (5 patents)Philip C DretzkaC Mark Atterbury (4 patents)Philip C DretzkaAaron Y Curtis (3 patents)Philip C DretzkaKhari S Clarke (3 patents)Philip C DretzkaKevin D Docken (3 patents)Philip C DretzkaNicholas J Wersal (3 patents)Philip C DretzkaDavid M Converse (3 patents)Philip C DretzkaJeffrey W Stern (3 patents)Philip C DretzkaCurtis E Wersal (3 patents)Philip C DretzkaChris A Wadzinski (2 patents)Philip C DretzkaNathan J Friberg (2 patents)Philip C DretzkaJianlong Chen (2 patents)Philip C DretzkaNicholas Suchoza (2 patents)Philip C DretzkaRobert A Immerman (2 patents)Philip C DretzkaRyan J Volovsek (2 patents)Philip C DretzkaBrian Algot Hanson (2 patents)Philip C DretzkaTimothy Werts (2 patents)Philip C DretzkaRussell Benton Snell (1 patent)Philip C DretzkaRadu Alexandru Ghiorghie (1 patent)Philip C DretzkaChadwick Aaron Shaffer (1 patent)Philip C DretzkaBrian M Clemens (1 patent)Philip C DretzkaJay J Kakuk (1 patent)Philip C DretzkaSteven R Porter (1 patent)Philip C DretzkaKenneth L McConnell (1 patent)Philip C DretzkaPaul Frederick Koltz (1 patent)Philip C DretzkaTimothy J Clift (1 patent)Philip C DretzkaDerek S Duchscherer (1 patent)Philip C DretzkaChang Wang (1 patent)Philip C DretzkaXiaofei Miao (1 patent)Philip C DretzkaBrandon John Anderson (1 patent)Philip C DretzkaChristina O Howell (1 patent)Philip C DretzkaTrent R Roth (1 patent)Philip C DretzkaRichard Charles Warren (1 patent)Philip C DretzkaJeffrey J Schwichtenberg (1 patent)Philip C DretzkaWarren H Daun (1 patent)Philip C DretzkaLeif A Erickson (1 patent)Philip C DretzkaCarolyn Marie Decker (1 patent)Philip C DretzkaMichael Turbak (1 patent)Philip C DretzkaPhilip C Dretzka (115 patents)David J MartinDavid J Martin (42 patents)Tyler E PetersonTyler E Peterson (9 patents)Daniel A PhippsDaniel A Phipps (24 patents)Ryan J SweereRyan J Sweere (6 patents)Aaron A HernandezAaron A Hernandez (5 patents)C Mark AtterburyC Mark Atterbury (8 patents)Aaron Y CurtisAaron Y Curtis (18 patents)Khari S ClarkeKhari S Clarke (10 patents)Kevin D DockenKevin D Docken (7 patents)Nicholas J WersalNicholas J Wersal (6 patents)David M ConverseDavid M Converse (6 patents)Jeffrey W SternJeffrey W Stern (5 patents)Curtis E WersalCurtis E Wersal (4 patents)Chris A WadzinskiChris A Wadzinski (31 patents)Nathan J FribergNathan J Friberg (23 patents)Jianlong ChenJianlong Chen (20 patents)Nicholas SuchozaNicholas Suchoza (14 patents)Robert A ImmermanRobert A Immerman (11 patents)Ryan J VolovsekRyan J Volovsek (8 patents)Brian Algot HansonBrian Algot Hanson (7 patents)Timothy WertsTimothy Werts (2 patents)Russell Benton SnellRussell Benton Snell (203 patents)Radu Alexandru GhiorghieRadu Alexandru Ghiorghie (56 patents)Chadwick Aaron ShafferChadwick Aaron Shaffer (49 patents)Brian M ClemensBrian M Clemens (47 patents)Jay J KakukJay J Kakuk (26 patents)Steven R PorterSteven R Porter (10 patents)Kenneth L McConnellKenneth L McConnell (9 patents)Paul Frederick KoltzPaul Frederick Koltz (7 patents)Timothy J CliftTimothy J Clift (7 patents)Derek S DuchschererDerek S Duchscherer (6 patents)Chang WangChang Wang (4 patents)Xiaofei MiaoXiaofei Miao (4 patents)Brandon John AndersonBrandon John Anderson (2 patents)Christina O HowellChristina O Howell (1 patent)Trent R RothTrent R Roth (1 patent)Richard Charles WarrenRichard Charles Warren (1 patent)Jeffrey J SchwichtenbergJeffrey J Schwichtenberg (1 patent)Warren H DaunWarren H Daun (1 patent)Leif A EricksonLeif A Erickson (1 patent)Carolyn Marie DeckerCarolyn Marie Decker (1 patent)Michael TurbakMichael Turbak (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Interdesign, Inc. (80 from 521 patents)

2. The Toro Company (27 from 821 patents)

3. Exmark Manufacturing Company, Inc. (4 from 63 patents)

4. Rubbermaid, Inc. (3 from 848 patents)


115 patents:

1. D1093438 - Side pod for utility vehicle

2. D1092568 - Side pod for utility vehicle

3. D1079623 - Base station

4. D1059425 - Lawn mower powerhead

5. D1020743 - Base station

6. D1016860 - Lawnmower shell

7. D1007537 - Lawnmower shell

8. D999258 - Snowthrower housing

9. D994603 - Motor housing for snowthrower

10. D966176 - Wheel

11. D960670 - Handle for lawn and garden tool

12. D926397 - Debris blower

13. D921053 - Snowthrower

14. 10791669 - Turf vehicle having accessory attachment system

15. D877779 - Debris blower

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as of
12/4/2025
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