Growing community of inventors

Troy, OH, United States of America

Roger J Quinlan, Jr

Average Co-Inventor Count = 3.82

ph-index = 10

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 = 287

Roger J Quinlan, JrCraig J Rekow (15 patents)Roger J Quinlan, JrMichael P Gallagher (13 patents)Roger J Quinlan, JrTrisha M Luthman (7 patents)Roger J Quinlan, JrAdam M Ruppert (6 patents)Roger J Quinlan, JrThornton K Lothrop (5 patents)Roger J Quinlan, JrRyan R Berger (4 patents)Roger J Quinlan, JrRobert J Henshaw (3 patents)Roger J Quinlan, JrBenjamin John Purrenhage (3 patents)Roger J Quinlan, JrEric J Hanson (2 patents)Roger J Quinlan, JrSteven R Pulskamp (2 patents)Roger J Quinlan, JrRyan Robert Berger (2 patents)Roger J Quinlan, JrWilliam C Jones (2 patents)Roger J Quinlan, JrPaul D Magee (1 patent)Roger J Quinlan, JrJeffrey T DeBord (1 patent)Roger J Quinlan, JrKevin Anthony Gilliland (1 patent)Roger J Quinlan, JrMatthew J Otto (1 patent)Roger J Quinlan, JrGeorge K Chow (1 patent)Roger J Quinlan, JrGary Lester Topp (1 patent)Roger J Quinlan, JrWilliam S Boyd (1 patent)Roger J Quinlan, JrJason L Seitz (1 patent)Roger J Quinlan, JrThronton K Lothrop (1 patent)Roger J Quinlan, JrDaniel L White (1 patent)Roger J Quinlan, JrEdward E Shuret (1 patent)Roger J Quinlan, JrLindsey P Unrast (1 patent)Roger J Quinlan, JrAllen D Sprague (1 patent)Roger J Quinlan, JrThomas P Nichols (1 patent)Roger J Quinlan, JrRoger J Quinlan, Jr (24 patents)Craig J RekowCraig J Rekow (44 patents)Michael P GallagherMichael P Gallagher (52 patents)Trisha M LuthmanTrisha M Luthman (19 patents)Adam M RuppertAdam M Ruppert (39 patents)Thornton K LothropThornton K Lothrop (24 patents)Ryan R BergerRyan R Berger (74 patents)Robert J HenshawRobert J Henshaw (65 patents)Benjamin John PurrenhageBenjamin John Purrenhage (29 patents)Eric J HansonEric J Hanson (47 patents)Steven R PulskampSteven R Pulskamp (47 patents)Ryan Robert BergerRyan Robert Berger (34 patents)William C JonesWilliam C Jones (8 patents)Paul D MageePaul D Magee (93 patents)Jeffrey T DeBordJeffrey T DeBord (87 patents)Kevin Anthony GillilandKevin Anthony Gilliland (32 patents)Matthew J OttoMatthew J Otto (25 patents)George K ChowGeorge K Chow (10 patents)Gary Lester ToppGary Lester Topp (5 patents)William S BoydWilliam S Boyd (4 patents)Jason L SeitzJason L Seitz (2 patents)Thronton K LothropThronton K Lothrop (1 patent)Daniel L WhiteDaniel L White (1 patent)Edward E ShuretEdward E Shuret (1 patent)Lindsey P UnrastLindsey P Unrast (1 patent)Allen D SpragueAllen D Sprague (1 patent)Thomas P NicholsThomas P Nichols (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Crown Equipment Corporation (24 from 531 patents)


24 patents:

1. 11661325 - Control elements for materials handling vehicles

2. 9783219 - Tiller knob assembly for steering wheel

3. D771468 - Tiller knob

4. D747839 - Fork lift truck

5. D747840 - Fork lift truck

6. D746534 - Counterweight for a lift truck

7. D746014 - Counterweight for a lift truck

8. D746013 - Overhead guard for a lift truck

9. D744311 - Tiller knob

10. D724106 - Counterweight for a lift truck

11. 8678138 - Materials handling vehicle with improved visibility

12. 8104583 - Materials handling vehicle with improved visibility

13. D585623 - Materials handling vehicle

14. D565270 - Walkie stacker lift truck

15. D559497 - Walkie stacker

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as of
12/6/2025
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