Inventor
GRAF DAVID C
US14 patents
⚠️ This page may combine multiple inventors who share the name “GRAF DAVID C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MILWAUKEE ELECTRIC TOOL CORP
12 patentsUS11571794B2Feb 7, 2023
Lifter mechanism for a powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP9 citations84
US11577372B2Feb 14, 2023
Lifter mechanism for a powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP1 citations71
US12179325B2Dec 31, 2024
Powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP4 citations69
US12179326B2Dec 31, 2024
Lifter mechanism for a powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP0 citations61
US12521854B2Jan 13, 2026
Gas spring-powered fastener driver with pressure mechanism
MILWAUKEE ELECTRIC TOOL CORP0 citations60
US12403575B2Sep 2, 2025
Gas spring-powered fastener driver with pressure mechanism
MILWAUKEE ELECTRIC TOOL CORP0 citations60
US12583088B2Mar 24, 2026
Powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP0 citations59
US12202112B2Jan 21, 2025
Powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP0 citations59
US12318899B2Jun 3, 2025
Powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP1 citations56
US12583092B2Mar 24, 2026
Hybrid thermoplastic composites for power tools and power tool components
MILWAUKEE ELECTRIC TOOL CORP0 citations52
US11951601B2Apr 9, 2024
Lifter mechanism for a powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP0 citations51
US12479074B2Nov 25, 2025
Lifter mechanism for a powered fastener driver
MILWAUKEE ELECTRIC TOOL CORP0 citations50