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Inventor

MAYER JAMES R

US15 patents
⚠️ This page may combine multiple inventors who share the name “MAYER JAMES R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COOPER IND INC

5 patents
US4449592AMay 22, 1984

Automatic drill string section changer

COOPER IND INC80 citations95
US4246973AJan 27, 1981

Controls for hydraulic percussion drill

COOPER IND INC68 citations95
US4484637ANov 27, 1984

Positioning control system for rock drill support apparatus

COOPER IND INC13 citations73
US4290491ASep 22, 1981

Rock drill positioning mechanism

COOPER IND INC11 citations73
US4267892AMay 19, 1981

Positioning control system for rock drill support apparatus

COOPER IND INC19 citations73

MAYER JAMES R

4 patents
US4828048AMay 9, 1989

Hydraulic Percussion tool

MAYER JAMES R41 citations91
US4761120AAug 2, 1988

Well pumping unit and control system

MAYER JAMES R65 citations90
US4477232AOct 16, 1984

Hydraulically actuated reciprocating piston pump

MAYER JAMES R22 citations81
US4552180ANov 12, 1985

Pilot operated control valve for hydraulically actuated reciprocating pump

MAYER JAMES R6 citations61

GARDNER DENVER CO

3 patents
US3948288AApr 6, 1976

Hydraulic accumulator

GARDNER DENVER CO50 citations92
US4062411ADec 13, 1977

Hydraulic percussion tool with impact blow and frequency control

GARDNER DENVER CO30 citations76
US3995700ADec 7, 1976

Hydraulic rock drill system

GARDNER DENVER CO26 citations75

OWENS CORNING FIBERGLASS CORP

1 patent
US4312658AJan 26, 1982

Method of and apparatus for controlling batch thickness and glass level in a glass furnace

OWENS CORNING FIBERGLASS CORP17 citations73

TAMPELLA OY AB

1 patent
US4974686ADec 4, 1990

Apparatus for handling a drilling equipment

TAMPELLA OY AB18 citations71

MAYQUA LLC

1 patent
US9681650B2Jun 20, 2017

Long-distance delivery system for fishing devices

MAYQUA LLC1 citations44