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

Nancy Pettigrew — 4 Patents

Microsoft: 4 patents #10,758 of 40,388Top 30%
Lomita, CA: #146 of 637 inventorsTop 25%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Nancy Pettigrew has been granted 4 US patents while listed as an inventor at Microsoft. The first was granted in 2008 and the most recent in September 2010. Nancy Pettigrew ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Nancy Pettigrew in Lomita, CA, US.

Patents per Year

Patents granted per year, 2008 to 2010Bar chart with a peak of 2 patents in 2010.peak 22008: 1 patents20082009: 1 patents20092010: 2 patents2010

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7797443 System and method for detecting spam e-mail Amit Jhawar 2010-09-14 $27,616,000
7756929 System and method for processing e-mail Amit Jhawar, Shashank Kavishwar 2010-07-13 $16,921,000
7610342 System and method for analyzing and managing spam e-mail Amit Jhawar 2009-10-27 $39,185,000
7353257 System and method for disaster recovery and management of an email system Charles McColgan 2008-04-01 $39,395,000