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USPTO Patent Rankings Data through Dec 31, 2025
Home › Jerr-Dan › David D. Hedstrom
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David D. Hedstrom — 3 Patents

JEJerr-Dan: 2 patents #7 of 27Top 30%
NANew Holland North America: 1 patents #157 of 69Top 230%
Ephrata, PA: #47 of 139 inventorsTop 35%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David D. Hedstrom has been granted 3 US patents while listed as an inventor at Jerr-Dan. The first was granted in 1988 and the most recent in January 2002. David D. Hedstrom ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David D. Hedstrom in Ephrata, PA, US.

Patents per Year

Patents granted per year, 1988 to 2002Bar chart with a peak of 1 patents in 1988.peak 11988: 1 patents19881999: 1 patents19992002: 1 patents2002

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6336783 Advanced rollback wheel-lift Charles E. Young 2002-01-08
5951235 Advanced rollback wheel-lift Charles E. Young 1999-09-14
4724661 Two piece crop harvesting header and flotation mechanism therefor Edward A. Blakeslee, Ernest A. Schoeneberger 1988-02-16

Frequent Collaborators

Charles E. Young2 shared
Edward A. Blakeslee1 shared
Ernest A. Schoeneberger1 shared

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Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3