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United States of America Patent

PATENT NO 9091315
APP PUB NO 20140048991A1
SERIAL NO

13983204

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Abstract

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The invention relates to a wave spring (2) which comprises a spring strip (4) which is coiled in a substantially circular-ring-shaped manner and, over the circumference, describes a wavy line which oscillates about a radial reference plane and has wave crests (6) and wave troughs. The ends of the circular-ring-shaped spring strip (4) are connected by means of a weld seam (10) which is arranged in a low-tension region of the wavy line of the spring strip (4) between a wave crest (6) and an adjacent wave trough (8).

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Patent Owner(s)

Patent OwnerAddress
SCHERDEL INNOTEC FORSCHUNGS- UND ENTWICKLUNGS-GMBH95615 MARKTREDWITZ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doetterl, Peter Waldershof, DE 2 4

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  • 1 Citation Count
  • B23K Class
  • 13.67 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1487741152783331101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7091 - 100100 +050100150200250300350400450500550600650700750800850

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 28, 2027