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Class Information
Number: 277/909
Name: Seal for a joint or juncture > Similar sealing structures for mounting on piston and about rod
Description: Sealing means comprising sealing means providing the same basic sealing structure for use in different embodiments such as (1) on a part (i.e., a piston) that reciprocates along an axis of an enclosing wall and, (2) on either the enclosing wall surrounding a reciprocating part (e.g., rod, etc.) or the part (i.e., a piston).

Patents under this class:

Patent Number Title Of Patent Date Issued
8123505 Reciprocating pump with sealing collar arrangement Feb. 28, 2012
6651988 Compact actuator with hydraulic seal Nov. 25, 2003
6227548 Seal for machine parts that reciprocate relative to one another May. 8, 2001
6164659 Piston rod seal Dec. 26, 2000
5833245 Elastomer ring seal for pressurized fluids Nov. 10, 1998
5066029 Annular sealing apparatus Nov. 19, 1991
4917390 Hydraulic seal assembly Apr. 17, 1990
4909520 Seal Mar. 20, 1990
4893823 Seal assembly Jan. 16, 1990
4602791 High pressure seal assembly Jul. 29, 1986
4582330 Seal with cleft seating surface Apr. 15, 1986
4577874 Seal assembly Mar. 25, 1986
4437674 Fluid sealing devices Mar. 20, 1984
RE31171 Hydraulic piston rod seal Mar. 8, 1983
4239244 Hydraulic piston rod seal Dec. 16, 1980
4204690 Sealing retaining ring assembly May. 27, 1980
4190259 Single apex two element fluid pressure seal assembly Feb. 26, 1980
4179131 Seal arrangements Dec. 18, 1979
4109921 Seal for pistons and piston rods of cylinder-type actuators Aug. 29, 1978
4089533 Resilient seal rings with dual lips May. 16, 1978
4067584 Guiding and sealing arrangements for pistons, piston rods and the like Jan. 10, 1978
4032159 Interference compression seal Jun. 28, 1977
3942806 Sealing ring structure Mar. 9, 1976

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