1
Donald D Bartholomew: Apparatus for maintaining a bend in a medical insufflation tube. Proprietary Technology, Harness Dickey & Pierce, March 28, 1995: US05400776 (120 worldwide citation)

The present invention apparatus (11) maintains a curved shape in a portion of a medical insufflation tube (15) and comprises a formable longitudinal semi-cylindrical member (39) having a longitudinal edge (57) thereon and a pair of collar elements (41 and 43) radially continuing therearound further ...


2
Donald D Bartholomew: High pressure fluid conduit assembly. Harness Dickey & Pierce, June 2, 1987: US04669757 (113 worldwide citation)

A tubular conduit assembly for conveying a pressurized fluid is described which includes a plastic inner tube for conveying the pressurized fluid, and a flexible metal outer tube disposed coaxially around the inner tube. The outer tube is constructed from a plurality of interlocking, generally chann ...


3
Donald D Bartholomew: Flexible pressure-confining conduit assembly. Proprietary Technology, Harness Dickey & Pierce, August 4, 1987: US04683917 (107 worldwide citation)

A tubular conduit assembly for confining or conveying a pressurized fluid including a flexible, thin-walled inner tube coaxially disposed within a flexible armor or outer tube. The outer tube is preferably constructed from one or more helically-wound members corresponding with, and engaging, helical ...


4
Donald D Bartholomew: Swivelable quick connector assembly. Proprietary Technology, Harness Dickey & Pierce, July 22, 1986: US04601497 (92 worldwide citation)

A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the ...


5
Donald D Bartholomew: Swivelable quick connector assembly. Harness Dickey & Pierce, January 3, 1984: US04423892 (90 worldwide citation)

A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluidtight seal between confronting portions of the conduit and the ...


6
Donald D Bartholomew: Swivelable quick connector assembly. Proprietary Technology, Harness Dickey & Pierce, July 21, 1987: US04681351 (86 worldwide citation)

A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the ...


7
Donald D Bartholomew: Swivelable quick connector assembly. Proprietary Technology, Harness Dickey & Peirce, December 25, 1990: US04979765 (70 worldwide citation)

A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the ...


8
Donald D Bartholomew: Swivelable quick connector for high temperature connection. Proprietary Technology, Harness Dickey & Pierce, October 18, 1988: US04778203 (64 worldwide citation)

A swivelable quick connect assembly for transferring of high-temperature, low-pressure fluids is disclosed as comprising a device having an axial bore for receiving one end of a conduit, a retaining element being demountably coupled to the device in the axial bore, the retaining element having a sec ...


9
Donald D Bartholomew: Swivelable quick connector assembly. Proprietary Technology, Harness Dickey & Pierce, September 17, 1985: US04541658 (57 worldwide citation)

A quick connector assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the housing, ...


10
Donald D Bartholomew: Swivelable quick connector assembly. Proprietary Technology, Harness Dickey & Pierce, June 26, 1990: US04936544 (54 worldwide citation)

A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the ...