1
Blackwood Thomas, Govan Kenneth Mcintosh, Wilkie Jacqueline, Deacon Alastair Mcdonald, Grant Andrew Douglas, Stickland Matthew Thomas: Respiratory protective device.. Msa Britain, October 26, 1994: EP0621056-A1 (18 worldwide citation)

There is disclosed a respiratory protective device, and a related powered filtering device. Known devices, suffer from a number of problems, such as liability to failure, overworking and lack of fault indication. Accordingly, one aspect of the present invention provides a respiratory protective devi ...


2
Rooney Christopher John, Blackwood Thomas: Mitre joint guide. Rooney Christopher John, Blackwood Thomas, October 29, 1997: GB2312398-A (2 worldwide citation)

Apparatus for use in mitring an end of a workpiece 22 has a base 1 and an elongate plane guide member 5 hinged at one end to the base 1 and hinged at its other end to one end of an elongate support member 11. The end of the support member 11 remote from the guide member 5 is mounted in a slot extend ...


3
Blackwood Thomas Howell: Head restraint device. MY TRAVEL COMFORTS, Coddington Trevor Q, November 11, 2010: WO/2010/129652 (2 worldwide citation)

The present invention provides an improved head restraint device for securing a person's head to a headrest such as those found on vehicle passenger seats. The head restraint immobilizes the person's head, neck, and spine in all degrees of freedom, e.g., lateral, longitudinal or frontal, and rotatio ...


4
Blackwood Thomas: Appareil respiratoire. Msa Britain, March 3, 1989: FR2619722-A1 (1 worldwide citation)

Appareil respiratoire comprenant des moyens adaptés à envelopper de façon étanche la tête de l'utilisateur, et possédant un masque ori-nasal 16, pouvant être relié à une source d'air 22 en circuit fermé, disposé à l'intérieur du masque, ledit masque ori-nasal 16 étant muni d'un moyen de soupape 38, ...


5
Blackwood Thomas: Breathing apparatus. M, May 4, 1989: GB2209123-A (1 worldwide citation)

Emergency, closed-circuit breathing apparatus comprises a hood (10) adapted to enclose the head and seal around the neck of the user and enclosing an ori-nasal mask (16) connected to an air supply (22) such as a potassium superoxide chemical oxygen supply. In order to avoid the possible dangers of a ...


6
Blackwood Thomas, Cunningham Douglas Harry Charl: Element electriquement chauffable pour instruments de detection de gaz, et son procede de fabrication. Mine Safety Appliances Co, December 18, 1981: FR2484689-A1

A description is given of an electrically heated element for use in gas detectors which has a metal filament coil embedded in a porous refractory core. The core, which consists, for example, of Al2O3, supports a shell which consists of mutually alternating layers of a combustion-promoting catalyst, ...


7
Blackwood Thomas, Govan Kenneth Mckintosh, Wilkie Jacqueline, Deacon Alistair Macdonald, Grant Andrew Douglas, Stickland Matthew Thomas: Dispositif de protection respiratoire, Respiratory protective device. Msa, R WILLIAM WRAY & ASSOCIATES, January 6, 1998: CA2121157

There is disclosed a respiratory protective device, and a related powered filtering device. Known devices, suffer from a number of problems, such as liability to failure, overworking and lack of fault indication. Accordingly, one aspect of the present invention provides a respiratory protective devi ...


8
Blackwood Thomas, Cunningham Douglas Hc: Element chauffant a lelectricite, Electrically heatable element. Mine Safety Appliances Company, FETHERSTONHAUGH & CO, April 24, 1984: CA1166298

Abstract: An electrically heatable element which can be used ingas detection instruments has a coiled metal filamentembedded in a bead of porous refractory material containingcombustion promoting catalyst and may be made by forming anadherent bead of porous refractory material such as aluminaon a co ...


9
Howie Robin Middlemass, Sinclair Keith William, Evans John Delwyn, Blackwood Thomas: A method of testing respiratory equipment. Coal, January 10, 1990: GB2220360-A

A method of testing for inward leakage into essentially non-ventilated spaces in personal protective equipment involves subjecting the equipment worn by a subject to an environment in which the test concentration of the test agent is arranged to be approximately the same as that expected to be measu ...