Growing community of inventors

Greensburg, IN, United States of America

Craig Crandall

Average Co-Inventor Count = 14.01

ph-index = 9

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 = 491

Craig CrandallJohn David Vogel (9 patents)Craig CrandallJoseph Kummer (9 patents)Craig CrandallDavid P Lubbers (9 patents)Craig CrandallDarrell L Metz (9 patents)Craig CrandallBradley Thomas Wilson (9 patents)Craig CrandallMichael M Frondorf (9 patents)Craig CrandallTerry J Stratman (9 patents)Craig CrandallThomas W Hanson (9 patents)Craig CrandallJeffrey A Ruschke (9 patents)Craig CrandallJohn Vodzak (9 patents)Craig CrandallRonald Kappeler (9 patents)Craig CrandallDoug K Smith (9 patents)Craig CrandallEric W Oberhaus (9 patents)Craig CrandallMike Frondorf (5 patents)Craig CrandallRon P Kappeler (0 patent)Craig CrandallDarell L Metz (0 patent)Craig CrandallCraig Crandall (9 patents)John David VogelJohn David Vogel (79 patents)Joseph KummerJoseph Kummer (46 patents)David P LubbersDavid P Lubbers (40 patents)Darrell L MetzDarrell L Metz (40 patents)Bradley Thomas WilsonBradley Thomas Wilson (31 patents)Michael M FrondorfMichael M Frondorf (19 patents)Terry J StratmanTerry J Stratman (19 patents)Thomas W HansonThomas W Hanson (19 patents)Jeffrey A RuschkeJeffrey A Ruschke (17 patents)John VodzakJohn Vodzak (16 patents)Ronald KappelerRonald Kappeler (13 patents)Doug K SmithDoug K Smith (13 patents)Eric W OberhausEric W Oberhaus (9 patents)Mike FrondorfMike Frondorf (5 patents)Ron P KappelerRon P Kappeler (0 patent)Darell L MetzDarell L Metz (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hill-rom Services, Inc. (9 from 1,386 patents)


9 patents:

1. 8267206 - Motorized traction device for a patient support

2. 8051931 - Motorized traction device for a patient support

3. 7828092 - Motorized traction device for a patient support

4. 7407024 - Motorized traction device for a patient support

5. 7195253 - Motorized traction device for a patient support

6. 7090041 - Motorized traction device for a patient support

7. 7083012 - Motorized traction device for a patient support

8. 6877572 - Motorized traction device for a patient support

9. 6749034 - Motorized traction device for a patient support

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as of
1/2/2026
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