Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Lundgren — 2 Patents

HYHydril: 1 patents #73 of 135Top 55%
Conestoga, PA: #7 of 14 inventorsTop 50%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Lundgren has been granted 2 US patents while listed as an inventor at Hydril. The first was granted in 1980 and the most recent in May 2018. Robert Lundgren ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Lundgren in Conestoga, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9978212 Peel-away security covering for a ticket Michael Vigunas, Neal McLoughlin, Phil Lulek, William R. Krahl 2018-05-22
4205707 Pipe protector 1980-06-03