Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Steven Engelking — 8 Patents

Sony: 16 patents #2,638 of 25,231Top 15%
San Antonio, TX: #658 of 5,017 inventorsTop 15%
Texas: #19,067 of 125,132 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Steven Engelking has been granted 8 US patents while listed as an inventor at Sony. The first was granted in 1996 and the most recent in July 2001. Steven Engelking ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Steven Engelking in San Antonio, TX, US.

Patents per Year

Patents granted per year, 1996 to 2001Bar chart with a peak of 2 patents in 1996.peak 21996: 2 patents19961998: 2 patents19981999: 1 patents19992000: 1 patents20002001: 2 patents2001

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6259261 Method and apparatus for electrically testing semiconductor devices fabricated on a wafer Richard Allan Deckert, Joey Evans 2001-07-10 $1,060,000
6203411 Method and apparatus for polishing electrical probes Richard Allan Deckert, Joey Evans 2001-03-20 $1,557,000
6137303 Integrated testing method and apparatus for semiconductor test operations processing Richard Allan Deckert, Joey Evans 2000-10-24 $1,870,000
5873585 Self-levelling wafer-lot cart 1999-02-23 $937,000
5851308 Acid bottle washing apparatus and method Robert R. Sanchez 1998-12-22 $504,000
5720307 Acid bottle washing apparatus and method Robert R. Sanchez 1998-02-24 $850,000
5491282 Apparatus and method for neutralizing a contaminated heating element Robert R. Sanchez 1996-02-13 $640,000
5489106 Clean room cart Carol Magallanez 1996-02-06 $379,000