Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Kline — 3 Patents

PTPdt Tech: 1 patents #4 of 4Top 100%
Lockheed Martin: 1 patents #2,818 of 6,507Top 45%
RTX (Raytheon): 1 patents #8,290 of 15,912Top 55%
Long Beach, CA: #577 of 2,153 inventorsTop 30%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Kline has been granted 3 US patents while listed as an inventor at Pdt Tech. The first was granted in 1996 and the most recent in January 2017. David Kline ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Kline in Long Beach, CA, US.

Patents per Year

Patents granted per year, 1996 to 2017Bar chart with a peak of 1 patents in 1996.peak 11996: 1 patents19962003: 1 patents20032017: 1 patents2017

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9534877 Low energy mechanical operating cartridge Rick Huffman 2017-01-03
6503349 Repair of single crystal nickel based superalloy article Norman Pietruska 2003-01-07 $98,507,000
5546421 Self compensating spread-spectrum hybrid Philip C. Basile, James E. Thompson, Jr., Gary E. Toner 1996-08-13