1
Bancroft Barrie, Greenough George King, Hodges John Philip, Whitelaw David George: Performance monitor for respirator helmets. Bancroft Barrie, Greenough George King, Hodges John Philip, Whitelaw David George, June 13, 1984: GB2130893-A (14 worldwide citation)

In order to monitor the performance of a helmet respirator (1) Fig. 1 (not shown) equipped with a visor 2 and supplied with air via a fan (3) a float-type pressure gauge 4 is mounted within view of the helmet wearer. Leakage of air from within the visor to the atmosphere via the gauge when the press ...


2
Greenough George King: Powered respirators. Nat Res Dev, June 10, 1987: GB2183488-A (10 worldwide citation)

A powered respirator of self-contained form for use in oxygen-sufficient atmospheres comprises a visored helmet (10) defining in use a passageway (15) extending from a rear opening (16) across the user's head (13) and face, an electric fan (17) and filter (19) located adjacent the opening to pass re ...


3
Greenough George King: Powered respirators.. Nat Res Dev, June 16, 1987: EP0225744-A1 (5 worldwide citation)

A powered respirator of self-contained form for use in oxygen-sufficient atmospheres comprises a visored helmet (10) defining in use a passageway (15) extending from a rear opening (16) across the user's head (13) and face, an electric fan (17) and filter (19) located adjacent the opening to pass re ...


4
Greenough George King: Improvements in or relating to radial grinding tools with means to remove grinding dust.. Greenough George King, Jackson Roger George, December 12, 1979: EP0005967-A1 (1 worldwide citation)

A radial grinding tool, preferably portable and hand-held. Grinding dust generated by contact between the grinding face (2) and the work is drawn axially into the mouths (10a, 11a) of ring-shaped cavities (10, 11), one to each axial side of the wheel (1). The chambers interconnect by passages (30, 3 ...


5
Greenough George King: Masques respiratoires avec ventilateur a moteur, Powered respirators. British Technology Group, FETHERSTONHAUGH & CO, March 12, 1991: CA1281253

ABSTRACTPOWERED RESPIRATORSA powered respirator of self-contained form for use in oxygen-sufficient atmoshperes comprises a visored helmet (10) defining inuse a passageway (15) extending from a rear opening (16) acrossthe user's head (13) and face, an electric fan (17) and filter (19)located adjacen ...