Inventor
WALTER WELF
DE9 patents
⚠️ This page may combine multiple inventors who share the name “WALTER WELF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAP SE
7 patentsUS11561956B2Jan 24, 2023
Key pattern management in multi-tenancy database systems
SAP SE10 citations84
US10740318B2Aug 11, 2020
Key pattern management in multi-tenancy database systems
SAP SE6 citations83
US10740315B2Aug 11, 2020
Transitioning between system sharing types in multi-tenancy database systems
SAP SE7 citations83
US10621167B2Apr 14, 2020
Data separation and write redirection in multi-tenancy database systems
SAP SE7 citations83
US10657276B2May 19, 2020
System sharing types in multi-tenancy database systems
SAP SE6 citations72
US11954081B1Apr 9, 2024
Management of two application versions in one database table
SAP SE0 citations51
US12411820B2Sep 9, 2025
Downtime-minimized database version deployment
SAP SE0 citations47