Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert M. Holdar — 4 Patents

NCNch: 4 patents #21 of 88Top 25%
Irving, TX: #305 of 1,396 inventorsTop 25%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert M. Holdar has been granted 4 US patents while listed as an inventor at Nch. The first was granted in 1989 and the most recent in May 2003. Robert M. Holdar ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert M. Holdar in Irving, TX, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6562256 Self-dispersing particulate composition and methods of use Wayne Anthony Fleming, Robert C. Pearce, III 2003-05-13
5460753 Aqueous cleaning composition for parts washers 1995-10-24 $1,708,000
5447638 Method for flocculating finely divided solids suspended in nonpolar liquids Michael Lee Paulson 1995-09-05 $1,951,000
4854973 Low odor carbon and paint remover composition 1989-08-08 $2,147,000