Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

David Haag — 11 Patents

Igt: 8 patents #290 of 1,260Top 25%
Las Vegas, NV: #321 of 3,439 inventorsTop 10%
Nevada: #846 of 8,397 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
David Haag has been granted 11 US patents while listed as an inventor at Igt. The first was granted in 1981 and the most recent in November 2017. David Haag ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David Haag in Las Vegas, NV, US.

Patents per Year

Patents granted per year, 1981 to 2017Bar chart with a peak of 2 patents in 2014.peak 21981: 1 patents19812005: 1 patents20052007: 1 patents20072008: 1 patents20082012: 1 patents20122013: 1 patents20132014: 2 patents20142016: 2 patents20162017: 1 patents2017

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9824541 Draw poker with option to wager for additional replacement cards 2017-11-21
9412240 Gaming systems and methods for operating gaming systems Dwayne R. Nelson, Steven G. LeMay 2016-08-09
9230406 Draw poker with option to wager for additional replacement cards 2016-01-05
8696441 Gaming device having alternate outcome presentations Dwayne R. Nelson 2014-04-15 $4,963,000
8622800 System and method of providing an instant bonus for a gaming apparatus Dwayne R. Nelson, Steven G. LeMay 2014-01-07 $2,343,000
8523658 Gaming device having alternate outcome presentations Dwayne R. Nelson 2013-09-03 $2,554,000
8246437 Gaming device having alternate outcome presentations Dwayne R. Nelson 2012-08-21 $3,915,000
7413508 Gaming device having a selection award revealing game Dwayne R. Nelson 2008-08-19 $12,967,000
7229351 Gaming device having alternate outcome presentations Dwayne R. Nelson 2007-06-12 $31,925,000
6964609 Gaming device having alternate outcome presentations Dwayne R. Nelson 2005-11-15 $17,735,000
4262855 Web-splicing apparatus 1981-04-21