Growing community of inventors

Santa Claus, IN, United States of America

Ralph L Langen

Average Co-Inventor Count = 3.55

ph-index = 8

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 = 319

Ralph L LangenKeith E Metcalf (6 patents)Ralph L LangenTodd E Boyd (6 patents)Ralph L LangenStanley J Epple (6 patents)Ralph L LangenJeffrey P Bueltel (6 patents)Ralph L LangenMarcus C Koepke (3 patents)Ralph L LangenNeil D Broeker (1 patent)Ralph L LangenRalph L Langen (9 patents)Keith E MetcalfKeith E Metcalf (36 patents)Todd E BoydTodd E Boyd (10 patents)Stanley J EppleStanley J Epple (10 patents)Jeffrey P BueltelJeffrey P Bueltel (10 patents)Marcus C KoepkeMarcus C Koepke (67 patents)Neil D BroekerNeil D Broeker (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kimball International, Inc. (9 from 323 patents)


9 patents:

1. D695038 - Lounge

2. D688476 - Bench

3. D680347 - Lounge

4. D671333 - Lounge corner unit

5. D668892 - Lounge end

6. D662733 - Lounge end

7. D446033 - Desk chair

8. D446037 - Side chair

9. D390712 - Chair

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as of
1/3/2026
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