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

Daniel D. Uhm — 5 Patents

ALAlcatel: 5 patents #166 of 2,861Top 6%
Vinton, VA: #4 of 28 inventorsTop 15%
Virginia: #6,255 of 34,511 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Daniel D. Uhm has been granted 5 US patents while listed as an inventor at Alcatel. The first was granted in 1999 and the most recent in March 2002. Daniel D. Uhm ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Daniel D. Uhm in Vinton, VA, US.

Patents per Year

Patents granted per year, 1999 to 2002Bar chart with a peak of 2 patents in 2001.peak 21999: 1 patents19992000: 1 patents20002001: 2 patents20012002: 1 patents2002

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6354113 Fiber optic draw furnace featuring a fiber optic preform heating and fiber drawing programmable logic controller 2002-03-12 $1,911,000
6257023 Fiber optic draw furnace having a heating element and a furnace shell, featuring rigidified high purity graphite felt insulation therebetween Robert A. Spencer 2001-07-10 $1,838,000
6232583 Infrared high temperature measurement of optical fiber during draw 2001-05-15 $9,409,000
6044663 Impregnated vitreous (glassy) carbon graphite liner and heating element for a fiber optic draw furnace Robert A. Spencer 2000-04-04 $2,833,000
5974838 Optical fiber graphite furnace featuring an automatic shutter door system for feeding an optical preform Robert A. Spencer 1999-11-02 $3,777,000