Growing community of inventors

Janesville, WI, United States of America

Roger K Erdman

Average Co-Inventor Count = 5.40

ph-index = 4

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 = 29

Roger K ErdmanWilliam S Nelson (8 patents)Roger K ErdmanPaul D Thompson (7 patents)Roger K ErdmanParimal G Rajkondawar (7 patents)Roger K ErdmanDavid A Johnson (7 patents)Roger K ErdmanGary C Steingraber (3 patents)Roger K ErdmanRonald J Pulvermacher (1 patent)Roger K ErdmanJames A Carrano (1 patent)Roger K ErdmanGeorge H Tucker, Jr (1 patent)Roger K ErdmanTimothy E Blair (1 patent)Roger K ErdmanChristina Marie Miller (1 patent)Roger K ErdmanWayne Matthew Hansen (1 patent)Roger K ErdmanTimothy John Bierman (1 patent)Roger K ErdmanAmy Ruth Steinke (1 patent)Roger K ErdmanRoger K Erdman (9 patents)William S NelsonWilliam S Nelson (17 patents)Paul D ThompsonPaul D Thompson (14 patents)Parimal G RajkondawarParimal G Rajkondawar (11 patents)David A JohnsonDavid A Johnson (7 patents)Gary C SteingraberGary C Steingraber (12 patents)Ronald J PulvermacherRonald J Pulvermacher (7 patents)James A CarranoJames A Carrano (3 patents)George H Tucker, JrGeorge H Tucker, Jr (3 patents)Timothy E BlairTimothy E Blair (2 patents)Christina Marie MillerChristina Marie Miller (1 patent)Wayne Matthew HansenWayne Matthew Hansen (1 patent)Timothy John BiermanTimothy John Bierman (1 patent)Amy Ruth SteinkeAmy Ruth Steinke (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Technologies Holdings Corporation (8 from 221 patents)

2. Dec International, Inc. (1 from 67 patents)


9 patents:

1. 9675042 - System and method for milking stall assignment using real-time location

2. 9603691 - System and method for estrus detection using real-time location

3. 9603342 - System and method for health monitoring using real-time location

4. 9439389 - System and method for milking stall assignment using real-time location

5. D741208 - Milk yield indicator controller

6. 9044297 - System and method for estrus detection using real-time location

7. 8950357 - System and method for milking stall assignment using real-time location

8. 8949034 - System and method for health monitoring using real-time location

9. 5720236 - Milk meter

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