Growing community of inventors

Hudsonville, MI, United States of America

Richard T Polanic

Average Co-Inventor Count = 2.87

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 = 34

Richard T PolanicEric M Terpsma (8 patents)Richard T PolanicGerald W Hungerink (2 patents)Richard T PolanicRoger L Jansen, Iii (2 patents)Richard T PolanicDavid O Roe (2 patents)Richard T PolanicRandy L Schutt (1 patent)Richard T PolanicJustin D Keatley (1 patent)Richard T PolanicSteven C Dupay (1 patent)Richard T PolanicJason D Howe (1 patent)Richard T PolanicDaniel R Dykstra (1 patent)Richard T PolanicDavid Roe (1 patent)Richard T PolanicRichard Sibley, Jr (1 patent)Richard T PolanicRudolph A Bahnsen (1 patent)Richard T PolanicJason D C Howe (1 patent)Richard T PolanicDaniel A Bennett (1 patent)Richard T PolanicRoger L Jansen (1 patent)Richard T PolanicRichard T Polanic (8 patents)Eric M TerpsmaEric M Terpsma (20 patents)Gerald W HungerinkGerald W Hungerink (25 patents)Roger L Jansen, IiiRoger L Jansen, Iii (7 patents)David O RoeDavid O Roe (2 patents)Randy L SchuttRandy L Schutt (24 patents)Justin D KeatleyJustin D Keatley (19 patents)Steven C DupaySteven C Dupay (13 patents)Jason D HoweJason D Howe (1 patent)Daniel R DykstraDaniel R Dykstra (6 patents)David RoeDavid Roe (3 patents)Richard Sibley, JrRichard Sibley, Jr (3 patents)Rudolph A BahnsenRudolph A Bahnsen (2 patents)Jason D C HoweJason D C Howe (2 patents)Daniel A BennettDaniel A Bennett (1 patent)Roger L JansenRoger L Jansen (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Saf-holland Gmbh (8 from 279 patents)


8 patents:

1. 9242519 - Automatic lock system for vehicle hitch assembly

2. 8960704 - Fifth wheel hitch kingpin assembly

3. 8708362 - Automatic lock system for vehicle hitch assembly

4. 8540270 - Hitch coupler

5. D688172 - Pintle hook

6. 8336902 - Hitch coupler

7. 7766361 - Rotating fifth wheel hitch kingpin assembly

8. 7431321 - Trailer hitch assembly

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as of
1/3/2026
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