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Class Information
Number: 152/539
Name: Resilient tires and wheels > Tires, resilient > Pneumatic tire or inner tube > Characterized by the structure of the bead portion of the tire
Description: Subject matter which includes structure of the annular edge of the pneumatic tire which open at the rim zone and includes annular reinforcing elements to anchor the tire or the tire carcass material to the rim.










Sub-classes under this class:

Class Number Class Name Patents
152/541 Apex or filler strip 240
152/547 Bead characterized by the chemical composition and or physical properties of elastomers or the like 299
152/546 Bead characterized by the radial extent of apex, flipper or chafer into tire sidewall 259
152/544 Bead contour for engagement with mounting rims (e.g., lips, ribs, or grooves, etc.) 171
152/543 Chafer or sealing strips 312
152/542 Flipper strips 117
152/545 Multiple bead cores at each terminal edge or tire supporting surface 56
152/540 Structure of inextensible reinforcing member 208


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8701729 Pneumatic radial tire Apr. 22, 2014
8672011 Rubber composition for bead apex and tire having bead apex prepared using same Mar. 18, 2014
8662129 Sidewall shear decoupling layer Mar. 4, 2014
8640754 Run flat tire Feb. 4, 2014
8622106 Bead structure for a pneumatic tire Jan. 7, 2014
8613299 Tire with sidewall reinforcement Dec. 24, 2013
8578987 Run-flat tire having an additional sidewall reinforcement Nov. 12, 2013
8578991 Tire bead geometry Nov. 12, 2013
8550137 Tire for self-inflating tire system Oct. 8, 2013
8550136 Wrap-around toeguard for a pneumatic tire Oct. 8, 2013
8539999 Tire with chafer Sep. 24, 2013
8528614 Pneumatic tire Sep. 10, 2013
8517072 Tire having gum strip and chafer Aug. 27, 2013
8505603 Vehicle having tires with reinforced sidewalls Aug. 13, 2013
8505602 Pneumatic tire Aug. 13, 2013
8469071 Run flat tire Jun. 25, 2013
8459322 Pneumatic tire Jun. 11, 2013
8453693 Pneumatic tire Jun. 4, 2013
8448684 Tire with component containing polybenzobisoxazole short fiber and epoxidized polyisoprene May. 28, 2013
8448683 Heavy duty pneumatic tire May. 28, 2013
8448681 Pneumatic tire May. 28, 2013
8418737 Tire with component containing polybenzobisoxazole short fiber and epoxidized polyisoprene Apr. 16, 2013
8413700 Tire having staggered turn-ups Apr. 9, 2013
8397771 Auto-balancing tire Mar. 19, 2013
8376008 Run-flat tire Feb. 19, 2013
8376011 Aircraft radial tire Feb. 19, 2013
8347930 Pneumatic tire having inner liner layer end portion in recessed portion Jan. 8, 2013
8333856 Method for producing an asymmetrical tyre Dec. 18, 2012
8327898 Pneumatic tire Dec. 11, 2012
8291952 Pneumatic radial tire for heavy load Oct. 23, 2012
8281827 Pneumatic tire Oct. 9, 2012
8272416 Heavy-load tire Sep. 25, 2012
8267136 Heavy-duty pneumatic tire Sep. 18, 2012
8261793 Pneumatic tire Sep. 11, 2012
8261796 Tire with component containing polybenzobisoxazole short fiber and epoxidized palm oil Sep. 11, 2012
8235082 Pneumatic tire Aug. 7, 2012
8235083 Pneumatic tyre for vehicle wheels Aug. 7, 2012
8221570 Process for manufacturing tyres for vehicle wheels Jul. 17, 2012
8220512 Tire bead Jul. 17, 2012
8186405 Heavy-load radial tire May. 29, 2012
8151848 Tire having a colored surface Apr. 10, 2012
8136562 Tire bead insulation Mar. 20, 2012
8127815 Tire with component containing polybenzobisoxazole short fiber and epoxidized polyisoprene Mar. 6, 2012
8122928 Pneumatic tire Feb. 28, 2012
8118073 Tire having a carcass ply turn-up portion with a concave segment Feb. 21, 2012
8109309 Tire with seats of unequal diameters and reverse axial offset in an inflated state Feb. 7, 2012
8025084 Pneumatic radial tire Sep. 27, 2011
8020597 Oxidation shield for tires Sep. 20, 2011
8002007 Pneumatic radial tire for heavy loads Aug. 23, 2011
7987883 Tire for heavy vehicles Aug. 2, 2011

1 2 3 4 5 6 7 8










 
 
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