Seal For A Joint Or Juncture Patents (Class 277)
- Close proximity seal (e.g., contactless, fluent, etc.) (Class 277/301)
- Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) (Class 277/306)
- Contained or compressed by gland member in packing box (Class 277/308)
- Peripheral radially sealing flexible projection (e.g., lip, piston cup seal, etc.) (Class 277/309)
- Piston ring for internal combustion engine (Class 277/310)
- Flexible ring (Class 277/311)
- Installation, removal, assembly, disassembly, or repair feature (Class 277/323)
- For overpressure control device (e.g., seal for a blowout preventer, etc.) (Class 277/324)
- Longitudinally actuated packer for above ground apparatus (Class 277/328)
- Inflatable packer (Class 277/331)
- Axially facing packing cup (Class 277/335)
- For below ground apparatus (Class 277/336)
- Seal (e.g., wiper, oil saver, stripper, etc.) accommodates irregular size of inner part (Class 277/343)
- Segmented radially actuated packer (e.g., oil saver, gas saver, etc.) for above ground apparatus (Class 277/344)
- Diverse and distinct dynamic seals (Class 277/346)
- Helically threaded part (Class 277/354)
- Brush seal (Class 277/355)
- For journal box (e.g., railway car journal, etc.) (Class 277/356)
- For rotary piston (Class 277/357)
- Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) (Class 277/358)
- Close proximity seal (e.g., contactless, fluent, etc.) (Class 277/409)
- Centrifugal force affects change in displacement, shape, or contact (Class 277/433)
- Piston ring or piston ring expander or seat therefor (Class 277/434)
- Circumferential contact seal for other than piston (Class 277/500)
Cross-Reference Art Collections
Foreign Patent Art Collections
- Piston (277/103) (Class 277/FOR101)
- Sectional follower (277/104) (Class 277/FOR102)
- Bolted flange (277/105) (Class 277/FOR103)
- With operating handle (277/107) (Class 277/FOR105)
- With tool engaging means (277/108) (Class 277/FOR106)
- Weight actuated (277/109) (Class 277/FOR107)
- Screw thimble (277/110) (Class 277/FOR108)
- Screw (277/112) (Class 277/FOR110)
- With operating mechanism (277/113) (Class 277/FOR111)
- Unidirectional movement (277/114) (Class 277/FOR112)
- Tapered follower or box (277/115) (Class 277/FOR113)
- Axially related backup member raidally actuated by movement of follower (277/116.2) (Class 277/FOR115)
- Telescoping actuator (277/116.4) (Class 277/FOR116)
- Wedging surfaces (277/117) (Class 277/FOR119)
- Plural packing elements (277/123) (Class 277/FOR125)
- 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)
