Tool arrangement for the production of helical teeth in gear wheels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 29, 2012
Grant Date -
Dec 17, 2009
app pub date -
Sep 6, 2006
filing date -
Sep 13, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Tool arrangement for the production of helical teeth in gear wheels, wherein a roughing hob (20), at least one deburring cutter (16, 18) and a finishing hob (12) can be fastened on a common mandrel (14) in a predetermined rotational position relative to one another, and the teeth of the finishing hob, which are situated along a helical line, each have a different cross section such that the engagement angle of the right or left flanks decreases continuously starting from a maximum value of the first tooth up to the last tooth, and the maximum engagement angle of the right flanks of the first or last tooth coincides with the minimum engagement angle of the left flanks, and vice versa.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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LIEBHERR-VERZAHNTECHNIK GMBH | 87437 KEMPTEN |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Carmincke, Wolfgang | Scharnebeck, DE | 5 | 27 |
# of filed Patents : 5 Total Citations : 27 | |||
Winkel, Oliver | Kempten, DE | 6 | 18 |
# of filed Patents : 6 Total Citations : 18 |
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Patent Citation Ranking
- 1 Citation Count
- B23P Class
- 12.40 % this patent is cited more than
- 13 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Jan 09, 2025 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Apr 12, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Oct 10, 2017 | I | Issuance | |
Sep 20, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 11, 2014 | P | Published | |
May 20, 2014 | F | Filing | |
May 15, 2009 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNMENT SIGNATURE PAGE PREVIOUSLY RECORDED ON REEL 036331 FRAME 0197. ASSIGNOR(S) HEREBY CONFIRMS THE INCORRECT SIGNATURE PAGE WAS PREVIOUSLY SUBMITTED.;ASSIGNORS:DESA SPECIALTY LLC;DESA LLC;DESA IP LLC;AND OTHERS;REEL/FRAME:036586/0332 Owner name: MTD PRODUCTS INC, OHIO Effective Date: May 15, 2009 |
May 14, 2009 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LUCAS, DELBERT E.;LUCAS, JUSTIN;LUCAS, RYAN J.;AND OTHERS;SIGNING DATES FROM 20071102 TO 20071127;REEL/FRAME:036330/0896 Owner name: DESA IP, LLC, FLORIDA free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DESA IP, LLC;REEL/FRAME:036331/0197 Owner name: MTD PRODUCTS INC, OHIO Effective Date: May 14, 2009 |
Oct 17, 2006 | PD | Priority Date |

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