Inventor
ECKMAN RICHARD E
19 patents
⚠️ This page may combine multiple inventors who share the name “ECKMAN RICHARD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRESSER IND
17 patentsUS4688970AAug 25, 1987
Power drill and automatic control system therefore
DRESSER IND154 citations98
US5022798AJun 11, 1991
Thrust-responsive two-speed drill and method of operation
DRESSER IND74 citations96
US4591299AMay 27, 1986
Rapid feed apparatus for automatic feed drills or the like
DRESSER IND60 citations96
US5205681AApr 27, 1993
Mechanical peck drill and method
DRESSER IND24 citations92
US5149232ASep 22, 1992
Mechanical peck drill
DRESSER IND31 citations92
US5054968AOct 8, 1991
Mechanical positive feed drill with supported spindle
DRESSER IND40 citations92
US4681490AJul 21, 1987
Retraction apparatus for automatic feed drills or the like
DRESSER IND33 citations92
US4631992ADec 30, 1986
Screwdriver
DRESSER IND26 citations92
US4631012ADec 23, 1986
Pneumatic tools
DRESSER IND38 citations92
US4592681AJun 3, 1986
Retraction apparatus for automatic feed drills or the like
DRESSER IND41 citations92
US4258799AMar 31, 1981
Inlet control valve
DRESSER IND35 citations92
US4174113ANov 13, 1979
Bit retainer for pneumatic tools
DRESSER IND52 citations92
US4702650AOct 27, 1987
Positive feed drill use counter
DRESSER IND29 citations89
US4154308AMay 15, 1979
Low torque automatic screwdriver
DRESSER IND32 citations86
US5062745ANov 5, 1991
Mechanical peck drill and method
DRESSER IND20 citations74
USD290220SJun 9, 1987
Power tool reaction brace
DRESSER IND8 citations74
US4495681AJan 29, 1985
Dwell and depth attachment for power drills
DRESSER IND4 citations63