Growing community of inventors

San Jose, CA, United States of America

Robert L Langenberg

Average Co-Inventor Count = 13.00

ph-index = 5

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 = 43

Robert L LangenbergDonald E Weder (6 patents)Robert L LangenbergFranklin J Craig (6 patents)Robert L LangenbergMichael J King (6 patents)Robert L LangenbergS Owen Dye (6 patents)Robert L LangenbergKenton D Badgley (6 patents)Robert L LangenbergHarry J Snider, Deceased (6 patents)Robert L LangenbergHoward M Ruth (6 patents)Robert L LangenbergBill C Weder (6 patents)Robert L LangenbergClay R Wiedner (6 patents)Robert L LangenbergLarry J Jones (6 patents)Robert L LangenbergE H Weder (4 patents)Robert L LangenbergLaura L Snider, Legal Representative (4 patents)Robert L LangenbergErin H Weder (2 patents)Robert L LangenbergLaura L Snider (1 patent)Robert L LangenbergBy Laura Snider, Legal Representative (1 patent)Robert L LangenbergRobert L Langenberg (6 patents)Donald E WederDonald E Weder (1,415 patents)Franklin J CraigFranklin J Craig (131 patents)Michael J KingMichael J King (44 patents)S Owen DyeS Owen Dye (8 patents)Kenton D BadgleyKenton D Badgley (6 patents)Harry J Snider, DeceasedHarry J Snider, Deceased (6 patents)Howard M RuthHoward M Ruth (6 patents)Bill C WederBill C Weder (6 patents)Clay R WiednerClay R Wiedner (6 patents)Larry J JonesLarry J Jones (6 patents)E H WederE H Weder (23 patents)Laura L Snider, Legal RepresentativeLaura L Snider, Legal Representative (4 patents)Erin H WederErin H Weder (16 patents)Laura L SniderLaura L Snider (1 patent)By Laura Snider, Legal RepresentativeBy Laura Snider, Legal Representative (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Highland Manufacturing and Sales Company (4 from 14 patents)

2. Highland Manufacturing and Sales (1 from 6 patents)

3. Highland Manufacturing and Supply (1 from 1 patent)


6 patents:

1. 5340608 - Method of reducing static-charge on easter grass

2. 5238707 - Method of reducing static-charge on easter grass

3. 5038975 - Apparatus for producing weighed charges of loosely aggregated

4. 4893757 - Apparatus and method for producing weighed charges of loosely aggregated

5. 4776521 - Apparatus and method for producing weighed charges of loosely aggregated

6. 4646388 - Apparatus for producing weighed charges of loosely aggregated

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idiyas.com
as of
12/12/2025
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