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  1. Technology classes
  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 320/00 · Electricity: battery or capacitor charging or discharging
  6. /Y10S 320/25
Y10S 320/25

Optical coupler

Y10S320/25 (Optical coupler) appears on 18 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 320/00Electricity: battery or capacitor charging or discharging
  5. Y10S 320/25Optical coupler
Granted patents
18
Published applications
0
Assignees
16
Inventors
28
Latest grant
19 Dec 1995

Filings by year

Granted patentsPublished applications
Y10S 320/25: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197800
197900
198000
198120
198200
198340
198420
198500
198610
198720
198810
198900
199000
199110
199200
199300
199400
199530

197719871995

By publication year. Applications have been published since 2001.

Recent patents

  • Battery pack with short circuit protection19 Dec 1995US 5,477,130 ASanyo Electric Co., Ltd.
  • Battery charging/data transfer apparatus for a handheld computer7 Nov 1995US 5,465,038 ADell USA, L. P.
  • Wide band constant current source for use in battery chargers11 Jul 1995US 5,432,428 AMotorola, Inc.
  • Autopolarity battery charger10 Dec 1991US 5,072,167 AAcme Electric Corporation
  • Method and apparatus for improving electrochemical processes1 Mar 1988US 4,728,877 AAdaptive Instruments Corp.

No published applications in this class yet.

Most cited

By later US patents
  • Full-charge indicator for battery chargers840US 4,394,613 ACalifornia Institute of Technology · 1983
  • Power transfer device100US 4,654,573 AFlexible Manufacturing Systems, Inc. · 1987
  • Battery pack with short circuit protection52US 5,477,130 ASanyo Electric Co., Ltd. · 1995
  • Battery charger control circuit49US 4,418,310 AHobart Brothers Company · 1983
  • Battery charger termination circuit44US 4,629,965 AGeneral Battery Corporation · 1986

Top assignees

Documents
  • AEAcme Electric Corporation1
  • AIAdaptive Instruments Corp.1
  • California Institute of Technology1
  • DUDell USA, L. P.1
  • FMFlexible Manufacturing Systems, Inc.1
  • GBGeneral Battery Corporation1
  • GMGeneral Motors Corporation1
  • HBHobart Brothers Company1
  • MEMatsushita Electric Industrial Co., Ltd.1
  • MMotorola, Inc.1

Often classified with

  • H02JPower supply and charging16
  • H01MBatteries and fuel cells3
  • Y02EClean energy generation and storage3
  • G01RMeasuring electric variables2
  • H04BTransmission2
  • Y02TLow-carbon transport2
  • B60LElectric vehicle propulsion1
  • G05FSystems for regulating electric or magnetic variables1
  • H02MApparatus for conversion between ac and ac, between ac and dc, or1

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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