Growing community of inventors

Kalamazoo, MI, United States of America

Benjamin John Purrenhage

Average Co-Inventor Count = 4.66

ph-index = 12

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 = 393

Benjamin John PurrenhageJeffrey Alan Kennedy (12 patents)Benjamin John PurrenhageIan Christopher Geiman (12 patents)Benjamin John PurrenhageDonald Scott Herzog (12 patents)Benjamin John PurrenhageKurosh Nahavandi (11 patents)Benjamin John PurrenhageSteven R Pulskamp (5 patents)Benjamin John PurrenhageBruce D Henniges (4 patents)Benjamin John PurrenhageAdam M Ruppert (4 patents)Benjamin John PurrenhageAdam Dudycha (4 patents)Benjamin John PurrenhageRobert J Henshaw (3 patents)Benjamin John PurrenhagePhilip W Swift (3 patents)Benjamin John PurrenhageRoger J Quinlan, Jr (3 patents)Benjamin John PurrenhageDaniel C Magoto (3 patents)Benjamin John PurrenhageDaniel W Kahlig (3 patents)Benjamin John PurrenhageSergio Schulte De Oliveira (3 patents)Benjamin John PurrenhageRobert W Childers (2 patents)Benjamin John PurrenhageMichael P Gallagher (2 patents)Benjamin John PurrenhageErik Vaclav Chmelar (2 patents)Benjamin John PurrenhageSteven Thomas Clifford (2 patents)Benjamin John PurrenhageMark J Sherman (2 patents)Benjamin John PurrenhageCraig E Volstromer (2 patents)Benjamin John PurrenhageDavid K Tinnerman (2 patents)Benjamin John PurrenhageJeffrey C Whitford (2 patents)Benjamin John PurrenhageMichael Miller (2 patents)Benjamin John PurrenhageAli Moaiery (2 patents)Benjamin John PurrenhageJames K Beachnau (2 patents)Benjamin John PurrenhageAaron T Johnson (2 patents)Benjamin John PurrenhageMichael Miller (2 patents)Benjamin John PurrenhageErik Vaclac Chmelar (2 patents)Benjamin John PurrenhageRobert W Childers (2 patents)Benjamin John PurrenhageAli Moaiery (2 patents)Benjamin John PurrenhageBruce Henniges (2 patents)Benjamin John PurrenhageJames V Kraimer (1 patent)Benjamin John PurrenhageCraig J Rekow (1 patent)Benjamin John PurrenhageMarkus Graf (1 patent)Benjamin John PurrenhageJustin L Benacquisto (1 patent)Benjamin John PurrenhageKyle S Spieker (1 patent)Benjamin John PurrenhageRobert J Kelley (1 patent)Benjamin John PurrenhageKurosh HNahavandi (1 patent)Benjamin John PurrenhageErik Vaclac Chmelar (0 patent)Benjamin John PurrenhageBenjamin John Purrenhage (29 patents)Jeffrey Alan KennedyJeffrey Alan Kennedy (41 patents)Ian Christopher GeimanIan Christopher Geiman (16 patents)Donald Scott HerzogDonald Scott Herzog (12 patents)Kurosh NahavandiKurosh Nahavandi (80 patents)Steven R PulskampSteven R Pulskamp (47 patents)Bruce D HennigesBruce D Henniges (56 patents)Adam M RuppertAdam M Ruppert (39 patents)Adam DudychaAdam Dudycha (7 patents)Robert J HenshawRobert J Henshaw (65 patents)Philip W SwiftPhilip W Swift (35 patents)Roger J Quinlan, JrRoger J Quinlan, Jr (24 patents)Daniel C MagotoDaniel C Magoto (12 patents)Daniel W KahligDaniel W Kahlig (5 patents)Sergio Schulte De OliveiraSergio Schulte De Oliveira (4 patents)Robert W ChildersRobert W Childers (250 patents)Michael P GallagherMichael P Gallagher (52 patents)Erik Vaclav ChmelarErik Vaclav Chmelar (38 patents)Steven Thomas CliffordSteven Thomas Clifford (13 patents)Mark J ShermanMark J Sherman (8 patents)Craig E VolstromerCraig E Volstromer (6 patents)David K TinnermanDavid K Tinnerman (4 patents)Jeffrey C WhitfordJeffrey C Whitford (4 patents)Michael MillerMichael Miller (3 patents)Ali MoaieryAli Moaiery (2 patents)James K BeachnauJames K Beachnau (2 patents)Aaron T JohnsonAaron T Johnson (2 patents)Michael MillerMichael Miller (70 patents)Erik Vaclac ChmelarErik Vaclac Chmelar (4 patents)Robert W ChildersRobert W Childers (2 patents)Ali MoaieryAli Moaiery (2 patents)Bruce HennigesBruce Henniges (2 patents)James V KraimerJames V Kraimer (53 patents)Craig J RekowCraig J Rekow (44 patents)Markus GrafMarkus Graf (19 patents)Justin L BenacquistoJustin L Benacquisto (1 patent)Kyle S SpiekerKyle S Spieker (1 patent)Robert J KelleyRobert J Kelley (1 patent)Kurosh HNahavandiKurosh HNahavandi (1 patent)Erik Vaclac ChmelarErik Vaclac Chmelar (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stryker Corporation (18 from 2,278 patents)

2. Crown Equipment Corporation (11 from 531 patents)


29 patents:

1. 11951218 - Sterilization enclosure for surgical instruments

2. RE49568 - Display screen or portion thereof with icon

3. D988353 - Display screen or portion thereof with graphical user interface

4. 11521151 - Tracking industrial vehicle operator quality

5. 11357877 - Sterilization enclosure for surgical instruments

6. D951969 - Display screen or portion thereof with graphical user interface

7. D931299 - Display screen or portion thereof with graphical user interface

8. D916874 - Display screen or portion thereof with graphical user interface

9. D916873 - Display screen or portion thereof with graphical user interface

10. 10792417 - Removable transmission for use with a powered surgical tool, the transmission shaped to extend above the tool, and system

11. D896266 - Display screen or portion thereof with graphical user interface

12. D896267 - Display screen or portion thereof with graphical user interface

13. D891463 - Display screen or portion thereof with animated icon

14. D886126 - Display screen or portion thereof with animated icon

15. D876481 - Display screen or portion thereof with icon

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12/6/2025
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