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

Stephen A. Roberts — 8 Patents

INInterwise: 2 patents #14 of 40Top 35%
OEOtis Elevator: 2 patents #650 of 1,840Top 40%
ATAT&T: 2 patents #7,295 of 18,772Top 40%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Fort Worth, TX: #269 of 2,247 inventorsTop 15%
Texas: #19,067 of 125,132 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Stephen A. Roberts has been granted 8 US patents while listed as an inventor at AT&T. The first was granted in 1988 and the most recent in May 2025. Stephen A. Roberts ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Stephen A. Roberts in Fort Worth, TX, US.

Patents per Year

Patents granted per year, 1988 to 2025Bar chart with a peak of 2 patents in 1995.peak 21988: 1 patents19881994: 1 patents19941995: 2 patents19951999: 2 patents19992022: 1 patents20222025: 1 patents2025

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12307414 Automated equipment tracking for service technicians Sreenivas Nukala, Adam Hersh, Nir Ganani, Satish Janardan, Bryan Goettsch +8 more 2025-05-20
11222308 Automated equipment tracking for service technicians Sreenivas Nukala, Adam Hersh, Nir Ganani, Satish Janardan, Bryan Goettsch +8 more 2022-01-11 $72,293,000
5969306 Elevator car call buttons indicating car floor position Suthaharan Velauthapillai, Christopher Pietrzykowski 1999-10-19 $46,874,000
5918704 Car door lock Marc Chevilliard, Gregory M. O'Seep, Frederic Bruno Delmas, Lap Yick Lee 1999-07-06 $22,560,000
D359944 Support rack for mounting between opposite side vehicle windows Dennis L. Turocy 1995-07-04
D358676 Purse light Leo B. Roberts 1995-05-23
5347440 Portable light Leo B. Roberts, Ronald R. Klawitter 1994-09-13
D298658 Purse illuminator William H. Howard 1988-11-22