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  2. /Y · General tagging of new technological developments
  3. /Y10 · Technical subjects covered by former uspc
  4. /Y10S · Technical subjects covered by former uspc cross-reference art collections [xracs] and digests
  5. /Y10S 451/00 · Abrading
  6. /Y10S 451/919
Y10S 451/919

Wankel

Y10S451/919 (Wankel) appears on 8 US grants and 0 published applications in this corpus.

Search patents in Y10S

Where it sits

  1. YGeneral tagging of new technological developments
  2. Y10Technical subjects covered by former uspc
  3. Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests
  4. Y10S 451/00Abrading
  5. Y10S 451/919Wankel
Granted patents
8
Published applications
0
Assignees
4
Inventors
12
Latest grant
27 Aug 1991

Filings by year

Granted patentsPublished applications
Y10S 451/919: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197710
197800
197900
198000
198100
198210
198300
198400
198500
198610
198700
198800
198900
199000
199110

1976197719781979198019811982198319841985198619871988198919901991

By publication year. Applications have been published since 2001.

Recent patents

  • Finishing machine for trochoidal surfaces27 Aug 1991US 5,042,204 A
  • Cam controlled machine for forming non-standard surfaces21 Oct 1986US 4,617,762 A
  • Cam control grinding machine2 Nov 1982US 4,356,669 A
  • Apparatus for improved control of a grinding machine1 Feb 1977US 4,005,552 ATri-Ordinate Corporation
  • Honing machine for finishing trochoidal bore of rotor housing of rotary engine28 Sep 1976US 3,982,356 AToyo Kogyo Co., Ltd.

No published applications in this class yet.

Most cited

By later US patents
  • Apparatus for improved control of a grinding machine16US 4,005,552 ATri-Ordinate Corporation · 1977
  • Device for machining trochoidal inner walls, especially for the cylinders of Wankel engines9US 3,964,367 A1976
  • Peritrochoid curved surface generating apparatus6US 3,948,144 AToyota Jidosha Kogyo Kabushiki Kaisha · 1976
  • Cam control grinding machine6US 4,356,669 A1982
  • Finishing machine for trochoidal surfaces4US 5,042,204 A1991

Top assignees

Documents
  • TKToyo Kogyo Co., Ltd.1
  • TJToyota Jidosha Kogyo Kabushiki Kaisha1
  • TOTri-Ordinate Corporation1
  • YSYutaka Seimitsu Kogyo Ltd.1

Often classified with

  • B24BMachines, devices, or processes for grinding or polishing6
  • Y10TTechnical subjects covered by former us classification4
  • B23QDetails, components, or accessories for machine tools2
  • G05BControl or regulating systems in general1

Documents that also carry the other class.

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