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  1. Technology classes
  2. /F · Mechanical engineering
  3. /F01 · Machines or engines in general
  4. /F01C · Rotary-piston or oscillating-piston machines or engines
  5. /F01C 1/00 · Rotary-piston machines or engines
  6. /F01C 1/02 · Rotary-piston machines or engines: of arcuate-engagement type, i.e. with circular translatory movement
  7. /F01C 1/0207 · Both members having co-operating elements in spiral form
  8. /F01C 1/0246 · Details concerning the involute wraps or their base
  9. /F01C 1/0269 · Details concerning the involute wraps
  10. /F01C 1/0276
F01C 1/0276

Different wall heights

Official title: {Different wall heights}

F01C1/0276 (Different wall heights) appears on 3 US grants and 3 published applications in this corpus.

Search patents in F01C

Where it sits

  1. FMechanical engineering
  2. F01Machines or engines in general
  3. F01CRotary-piston or oscillating-piston machines or engines
  4. F01C 1/00Rotary-piston machines or engines
  5. F01C 1/02Rotary-piston machines or engines: of arcuate-engagement type, i.e. with circular translatory movement
  6. F01C 1/0207Both members having co-operating elements in spiral form
  7. F01C 1/0246Details concerning the involute wraps or their base
  8. F01C 1/0269Details concerning the involute wraps
  9. F01C 1/0276Different wall heights
Granted patents
3
Published applications
3
Assignees
5
Inventors
17
Latest grant
30 Jul 2024

Filings by year

Granted patentsPublished applications
F01C 1/0276: granted patents and published applications per publication year
YearGranted patentsPublished applications
198910
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202010
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202410

19891999200920192024

By publication year. Applications have been published since 2001.

Recent patents

  • Scroll compressor having separate flow paths in communication with different back pressure chambers30 Jul 2024US 12,049,892 B2Samsung Electronics Co., Ltd.
  • Scroll fluid machine including a pair of fixed scrolls and an orbiting scroll24 Nov 2020US 10,844,719 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
  • Spiral displacement machine with concave circular arcs sealingly engaging circular steps29 Aug 1989US 4,861,244 ABBC Brown, Boveri & Company, Limited
  • Scroll compressor30 Mar 2023US 2023/0101084 A1Samsung Electronics Co., Ltd.
  • Scroll fluid machine28 Dec 2017US 2017/0370219 A1Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.
  • Scroll Fluid Machine21 Sep 2017US 2017/0268340 A1Sanden Holdings Corporation

Most cited

By later US patents
  • Spiral displacement machine with concave circular arcs sealingly engaging circular steps6US 4,861,244 ABBC Brown, Boveri & Company, Limited · 1989

Top assignees

Documents
  • Samsung Electronics Co., Ltd.2
  • BBBBC Brown, Boveri & Company, Limited1
  • MHMitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.1
  • MHMitsubishi Heavy Industries Thermal Systems, Ltd.1
  • Sanden Holdings Corporation1

Often classified with

  • F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5

Documents that also carry the other class.

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Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

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