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Class Information
Number: 92/212
Name: Expansible chamber devices > Piston > Open-ended hollow skirt type (e.g., trunk type) > With nonmetallic portion
Description: Apparatus in which the piston includes as an element thereof a portion which is formed of material other than metal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7594467 |
Internal combustion engine with improved thermal efficiency |
Sep. 29, 2009 |
| 7185582 |
Oilless reciprocating fluid machine |
Mar. 6, 2007 |
| 6739239 |
Caston piston |
May. 25, 2004 |
| 6609454 |
Piston with seal |
Aug. 26, 2003 |
| 6305266 |
Piston or plunger and a method for making the same |
Oct. 23, 2001 |
| 6293764 |
Reciprocating compressor with dry lubricating system |
Sep. 25, 2001 |
| 6205908 |
Piston equipped with piston ring |
Mar. 27, 2001 |
| 5948330 |
Method of fabricating chopped-fiber composite piston |
Sep. 7, 1999 |
| 5884550 |
Integral ring carbon-carbon piston |
Mar. 23, 1999 |
| 5598763 |
Flutter free piston ring assembly |
Feb. 4, 1997 |
| 5499572 |
Bi-tech piston |
Mar. 19, 1996 |
| 5435234 |
Mechanically retained wear-resistant ceramic pad |
Jul. 25, 1995 |
| 5408916 |
Piston having a liner and method for manufacturing same |
Apr. 25, 1995 |
| 5404792 |
Piston for internal combustion engine |
Apr. 11, 1995 |
| 5282411 |
Heat-insulating piston with middle section of less dense but same material |
Feb. 1, 1994 |
| 5279211 |
Mechanically retained wear-resistant ceramic pad |
Jan. 18, 1994 |
| 5273009 |
Silicon-nitride-inserted piston |
Dec. 28, 1993 |
| 5251540 |
Piston having an aperture with an insert secured therein |
Oct. 12, 1993 |
| 5245913 |
Piston of internal combustion engine |
Sep. 21, 1993 |
| 5195478 |
Piston for an internal combustion engine |
Mar. 23, 1993 |
| 5193435 |
Piston with ceramic load-transmitting pads |
Mar. 16, 1993 |
| 5174193 |
Pistons for engines or motors |
Dec. 29, 1992 |
| 5146883 |
Piston and connecting rod assembly |
Sep. 15, 1992 |
| 5117742 |
Piston of composite material with C-shaped ring groove |
Jun. 2, 1992 |
| 5092289 |
Light alloy piston |
Mar. 3, 1992 |
| 5018489 |
Heat-insulating piston |
May. 28, 1991 |
| 5014604 |
Piston for internal combustion engine |
May. 14, 1991 |
| 4986231 |
Piston with graphite fiber mesh |
Jan. 22, 1991 |
| 4971003 |
Piston of aluminum alloy for internal combustion engines |
Nov. 20, 1990 |
| 4966068 |
Split ceramic piston ring arrangement with nested biasing ring |
Oct. 30, 1990 |
| 4942804 |
Piston with ceramic insert that covers piston head portion defining cavity |
Jul. 24, 1990 |
| 4939984 |
Investment-cast piston crown cap with encapsulated non-metallic insulating core |
Jul. 10, 1990 |
| 4936269 |
Method and apparatus for reduced oil consumption and oil deterioration in reciprocating engines |
Jun. 26, 1990 |
| 4920864 |
Reinforced piston |
May. 1, 1990 |
| 4909133 |
Lightweight piston architecture |
Mar. 20, 1990 |
| 4887518 |
Internal combustion engine piston with threaded ceramic piston head |
Dec. 19, 1989 |
| 4838149 |
Pistons |
Jun. 13, 1989 |
| 4833977 |
Piston for internal combustion engine |
May. 30, 1989 |
| 4833939 |
Built-up connecting rod |
May. 30, 1989 |
| 4802382 |
Connecting rod assemblies intended for the reciprocating driving of a piston inside a cylinder |
Feb. 7, 1989 |
| 4798770 |
Heat resisting and insulating light alloy articles and method of manufacture |
Jan. 17, 1989 |
| 4798270 |
Hydraulically actuated sliding-caliper disc brake |
Jan. 17, 1989 |
| 4790726 |
Reciprocatory piston and cylinder machine |
Dec. 13, 1988 |
| 4777844 |
Hybrid ceramic/metal compression link for use in higher temperature applications |
Oct. 18, 1988 |
| 4774917 |
Piston and piston ring for an internal combustion engine |
Oct. 4, 1988 |
| 4773282 |
Piston rod assembly including an injection bonded piston head and fabrication method |
Sep. 27, 1988 |
| 4751871 |
Multisectional piston with plural ceramic parts and rigidly connected piston rod for use in horizontally opposed piston internal combustion engine |
Jun. 21, 1988 |
| 4746582 |
Ceramic-metal composite body |
May. 24, 1988 |
| 4742759 |
Ceramic insert cast piston |
May. 10, 1988 |
| 4741543 |
Piston scraper ring |
May. 3, 1988 |
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