With Distinct Radially Acting Bias(277/138) Patents (Class 277/FOR140)

Unitary packing spacer and bias means (277/139) (Class 277/FOR141)

Common bias for axially spaced packings (277/141) (Class 277/FOR143)

With axially acting bias means (277/142) (Class 277/FOR144)

With axially component (277/143) (Class 277/FOR145)

With bias restrainer (277/146) (Class 277/FOR148)

With adjustable loading means (277/147) (Class 277/FOR149)

Individually biased segments (277/148) (Class 277/FOR150)

Circumferentially spaced radially acting springs (277/149) (Class 277/FOR151)

Circumferential thrust (277/151) (Class 277/FOR153)

Axial lip or boss (277/152) (Class 277/FOR154)

Interfitted segments (277/154) (Class 277/FOR156)

With bridging segments (277/155) (Class 277/FOR157)

Break joint (277/156) (Class 277/FOR158)

Periphery engaging spring (277/157) (Class 277/FOR159)

Embedded or enclosed spring (277/164) (Class 277/FOR166)

Nonmetallic (277/165) (Class 277/FOR167)

There are no patents to show for this class.