Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AL

Alexey Lef — 11 Patents

SCSciquest: 11 patents #2 of 18Top 15%
Chennai, NC: #1 of 6 inventorsTop 20%
Overall (All Time): #435,993 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12299732 User-specific rule-based database querying Charles A. Ballaro 2025-05-13
11663647 User-specific rule-based database querying Charles A. Ballaro 2023-05-30
9245289 Taxonomy and data structure for an electronic procurement system Charles A. Ballaro, David W. Frink 2016-01-26
8930244 Method, medium, and system for processing requisitions Charles A. Ballaro, Ronald Angerer, Philip J. Sabino, David W. Frink, Lisa Fleck 2015-01-06
8694429 Identifying and resolving discrepancies between purchase documents and invoices Charles A. Ballaro 2014-04-08
8359245 Taxonomy and data structure for an electronic procurement system Charles A. Ballaro, David W. Frink 2013-01-22
8285573 Prioritizing orders/receipt of items between users Charles A. Ballaro, Natalia Potochniak, Ronald Angerer 2012-10-09
8112317 Providing substitute items when ordered item is unavailable Charles A. Ballaro, Natalia Potochniak, Ronald Angerer 2012-02-07
8069096 Multi-constituent attribution of a vendor's product catalog Charles A. Ballaro, David W. Frink 2011-11-29
8065202 Form management in an electronic procurement system Charles A. Ballaro, Blake E. Ellavsky, Mark Pugh, David W. Frink 2011-11-22
6944613 Method and system for creating a database and searching the database for allowing multiple customized views Ronald Angerer 2005-09-13