IL105192A - Adhesive-free connector for fiber optics - Google Patents
Adhesive-free connector for fiber opticsInfo
- Publication number
- IL105192A IL105192A IL10519293A IL10519293A IL105192A IL 105192 A IL105192 A IL 105192A IL 10519293 A IL10519293 A IL 10519293A IL 10519293 A IL10519293 A IL 10519293A IL 105192 A IL105192 A IL 105192A
- Authority
- IL
- Israel
- Prior art keywords
- ferrule
- fiber
- fiber optic
- optic connector
- connector
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title claims description 21
- 239000000835 fiber Substances 0.000 claims description 61
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 2
- 239000004593 Epoxy Substances 0.000 description 7
- 125000003700 epoxy group Chemical group 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 239000004831 Hot glue Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3822—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with beveled fibre ends
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3891—Bayonet type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87139992A | 1992-04-21 | 1992-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL105192A0 IL105192A0 (en) | 1993-09-22 |
| IL105192A true IL105192A (en) | 1996-03-31 |
Family
ID=25357371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL10519293A IL105192A (en) | 1992-04-21 | 1993-03-29 | Adhesive-free connector for fiber optics |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US5337390A (es) |
| EP (1) | EP0637390B1 (es) |
| JP (1) | JP3441457B2 (es) |
| CN (1) | CN1039166C (es) |
| AU (1) | AU683837B2 (es) |
| BR (1) | BR9306271A (es) |
| CA (1) | CA2133973C (es) |
| CZ (1) | CZ258994A3 (es) |
| DE (1) | DE69321346T2 (es) |
| DK (1) | DK0637390T3 (es) |
| ES (1) | ES2122011T3 (es) |
| HU (1) | HUT71655A (es) |
| IL (1) | IL105192A (es) |
| MX (1) | MX9302124A (es) |
| NO (1) | NO310130B1 (es) |
| RU (1) | RU94045862A (es) |
| SG (1) | SG52490A1 (es) |
| TR (1) | TR27124A (es) |
| WO (1) | WO1993021547A1 (es) |
| ZA (1) | ZA932227B (es) |
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5414790A (en) * | 1993-11-09 | 1995-05-09 | Minnesota Mining And Manufacturing Company | Actuation tool and cap for fiber optic connector |
| US5631986A (en) * | 1994-04-29 | 1997-05-20 | Minnesota Mining And Manufacturing Co. | Optical fiber ferrule |
| US5563974A (en) * | 1994-12-30 | 1996-10-08 | Minnesota Mining And Manufacturing Company | Tool for connector with cleaved optical fiber |
| US5566269A (en) * | 1995-05-30 | 1996-10-15 | The Whitaker Corporation | Strain relieving holder for optical fiber cable |
| TW333616B (en) * | 1995-06-29 | 1998-06-11 | Minnesota Mining & Mfg | Bare fiber connector |
| US5682450A (en) * | 1995-06-29 | 1997-10-28 | Minnesota Mining And Manufacturing Company | Fiber optic connector element |
| US5812718A (en) * | 1996-03-27 | 1998-09-22 | Minnesota Mining And Manufacturing Company | Method for connecting optical fibers and the interconnection |
| US5761360A (en) * | 1996-06-19 | 1998-06-02 | Molex Incorporated | Fiber optic connector with fiber gripping means |
| US5668904A (en) * | 1996-07-25 | 1997-09-16 | Northwest Fiberoptic Technologies Inc. | Fiber optic cable connector apparatus and method |
| US6095695A (en) * | 1996-10-28 | 2000-08-01 | Sumitomo Electric Industries, Ltd. | Optical connector, and using method and tool thereof |
| US5926595A (en) * | 1996-11-20 | 1999-07-20 | Tosoh Corporation | Optical fiber connector part and process for producing the same |
| US5813902A (en) * | 1997-04-14 | 1998-09-29 | Minnesota Mining And Manufacturing Company | Optical fiber end-face preparation and connector assembly |
| US6196731B1 (en) * | 1998-10-30 | 2001-03-06 | Lucent Technologies Inc. | Quick-connect fiber optic connector |
| US6139194A (en) * | 1998-11-05 | 2000-10-31 | Illinois Tool Works Inc. | Fiber optic lighting system connector |
| US6203208B1 (en) | 1998-11-05 | 2001-03-20 | Illinois Tool Works Inc. | Fiber optic lighting system connector coupling medium |
| US6179480B1 (en) | 1999-06-16 | 2001-01-30 | Illinois Tool Works Inc. | Fiber optic lighting system connector |
| US6422764B1 (en) | 2000-03-01 | 2002-07-23 | Panduit Corp. | Clamping mechanism for an optical fiber |
| EP1290479B1 (en) | 2000-06-12 | 2005-02-23 | KRONE GmbH | Assembly and method for use in terminating an optical fibre or fibres |
| US6439780B1 (en) * | 2000-08-31 | 2002-08-27 | Corning Cable Systems Llc | Field-installable fiber optic ribbon connector and installation tool |
| RU2273608C2 (ru) * | 2000-11-16 | 2006-04-10 | Шотт Аг | Усовершенствованный выщелоченный волоконный жгут и способ его изготовления |
| MXPA04008111A (es) | 2002-02-22 | 2005-06-17 | Le Berger Du Savoir Inc | Conector para fibras opticas. |
| CA2397280A1 (en) * | 2002-08-09 | 2004-02-09 | Le Savoir Du Gardien Inc. | Optical fiber connector assembly |
| US7140787B2 (en) * | 2002-08-21 | 2006-11-28 | 3M Innovative Properties Company | Optical fiber mechanical splice with strain relief mechanism |
| US6870996B2 (en) * | 2002-09-19 | 2005-03-22 | 3M Innovative Properties Company | Optical fiber plug including fiber positioning holder |
| US7048446B2 (en) * | 2002-12-06 | 2006-05-23 | Valdor Fiber Optics, Inc. | Connector for impact mounted bundled optical fiber devices |
| US20050063645A1 (en) * | 2003-09-23 | 2005-03-24 | 3M Innovative Properties Company | Device for gripping optical fibers |
| US20050063662A1 (en) * | 2003-09-23 | 2005-03-24 | To 3M Innovative Properties Company | Device for gripping optical fibers |
| JP2005189332A (ja) | 2003-12-24 | 2005-07-14 | Three M Innovative Properties Co | 光コネクタ、コネクタ付き光ファイバ、光ファイバ接続装置及び光ファイバ接続方法 |
| US7001084B2 (en) * | 2003-12-30 | 2006-02-21 | 3M Innovative Properties Company | Fiber splice device |
| US20050281529A1 (en) * | 2004-06-22 | 2005-12-22 | Carpenter James B | Fiber splicing and gripping device |
| JP4416591B2 (ja) | 2004-07-16 | 2010-02-17 | スリーエム イノベイティブ プロパティズ カンパニー | 光コネクタ及び光ファイバ接続システム |
| JP4544928B2 (ja) | 2004-07-16 | 2010-09-15 | スリーエム イノベイティブ プロパティズ カンパニー | 光コネクタ及び光ファイバ接続システム |
| JP4942327B2 (ja) * | 2005-10-28 | 2012-05-30 | スリーエム イノベイティブ プロパティズ カンパニー | 光コネクタ |
| US7194179B1 (en) * | 2005-12-27 | 2007-03-20 | 3M Innovative Properties Company | Assembly tool and optical connector assembly method |
| US7140950B1 (en) | 2005-12-27 | 2006-11-28 | 3M Innovative Properties Company | Fiber polishing apparatus and method for field terminable optical connectors |
| US7695199B2 (en) * | 2006-07-20 | 2010-04-13 | Finisar Corporation | Optical subassembly having insertable cylindrical sleeve |
| WO2008100768A1 (en) * | 2007-02-16 | 2008-08-21 | 3M Innovative Properties Company | Optical fiber polishing apparatus and method |
| WO2008100774A1 (en) | 2007-02-16 | 2008-08-21 | 3M Innovative Properties Company | Remote grip optical fiber connector |
| CN101617256B (zh) * | 2007-02-16 | 2012-02-29 | 3M创新有限公司 | 远程夹持光纤连接器 |
| US7775726B2 (en) * | 2007-02-16 | 2010-08-17 | 3M Innovative Properties Company | Remote grip optical fiber connector |
| US7490995B1 (en) | 2007-07-27 | 2009-02-17 | Phasoptx | Optical connector assembly |
| US20130216184A1 (en) * | 2008-07-14 | 2013-08-22 | Victor Il'ich Kopp | Configurable pitch reducing optical fiber array |
| EP2419773B1 (en) | 2009-04-17 | 2021-10-13 | Corning Research & Development Corporation | Bladeless optical fiber cleaver |
| WO2010147750A2 (en) * | 2009-06-16 | 2010-12-23 | 3M Innovative Properties Company | Assembly tool and optical connector assembly method |
| US8295669B2 (en) * | 2009-08-27 | 2012-10-23 | 3M Innovative Properties Company | Compact optical fiber splice holder device |
| CN101881865B (zh) * | 2010-06-17 | 2012-03-07 | 深圳日海通讯技术股份有限公司 | 一种光纤连接器 |
| WO2013159331A1 (en) | 2012-04-27 | 2013-10-31 | 3M Innovative Properties Company | Optical fiber connector |
| US9791635B2 (en) | 2012-09-12 | 2017-10-17 | 3M Innovative Properties Company | Remote grip multi-fiber connector |
| US11966091B2 (en) | 2013-06-14 | 2024-04-23 | Chiral Photonics, Inc. | Multichannel optical coupler array |
| US11156781B2 (en) | 2013-06-14 | 2021-10-26 | Chiral Photonics, Inc. | Passive aligning optical coupler array |
| US10914891B2 (en) | 2013-06-14 | 2021-02-09 | Chiral Photonics, Inc. | Multichannel optical coupler |
| US10838155B2 (en) | 2013-06-14 | 2020-11-17 | Chiral Photonics, Inc. | Multichannel optical coupler |
| US9551839B2 (en) | 2015-03-31 | 2017-01-24 | Raytheon Company | Optical component including nanoparticle heat sink |
| US12210185B2 (en) | 2020-02-24 | 2025-01-28 | Chiral Photonics, Inc. | Wavelength division multiplexers for space division multiplexing (SDM-WDM devices) |
| CN114923430B (zh) * | 2022-04-19 | 2023-05-26 | 大连理工大学 | 一种无胶化光纤光栅应变传感器 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029390A (en) * | 1974-12-23 | 1977-06-14 | Bell Telephone Laboratories, Incorporated | Optical fiber group splicing technique and apparatus employing unique foldable holder |
| FR2441187A1 (fr) * | 1978-11-13 | 1980-06-06 | Radiall Sa | Procede de mise en place d'une fibre optique dans un embout de connecteur et embout de connecteur pour la mise en oeuvre de ce procede |
| FR2503877A1 (fr) * | 1981-04-09 | 1982-10-15 | Radiall Sa | Connecteur pour fibres optiques et procede pour sa realisation |
| US4448481A (en) * | 1981-06-22 | 1984-05-15 | Trw Inc. | Fiber optic clamp |
| FR2543630B1 (fr) * | 1983-04-01 | 1985-07-05 | Radiall Ind | Procede de blocage mecanique d'un element interieur dans un corps exterieur et application de ce procede a la realisation d'un embout de connecteur de fibres optiques |
| US4607911A (en) * | 1983-10-03 | 1986-08-26 | Conax Buffalo Corporation | Connector for an optical fiber having a stationary clamp engaged and operated by a rotatable member |
| US4593972A (en) | 1984-04-02 | 1986-06-10 | Gibson Lloyd H | Connector for optical fibers |
| JPS6279209U (es) * | 1985-11-05 | 1987-05-21 | ||
| US4842363A (en) * | 1986-08-04 | 1989-06-27 | Amphenol Corporation | Fiber optic connector, tool for assembling fiber optic connector and method of assembling fiber optic connectors |
| ATE105419T1 (de) * | 1987-03-26 | 1994-05-15 | Siemens Ag | Verbindungseinrichtung fuer zwei lichtwellenleiter. |
| US4824197A (en) * | 1988-04-18 | 1989-04-25 | Minnesota Mining And Manufacturing Company | Stamped precision lightguide interconnect centering element |
| US5138681A (en) * | 1988-04-18 | 1992-08-11 | Minnesota Mining And Manufacturing Company | Optical fiber splice |
| US5189717A (en) * | 1988-04-18 | 1993-02-23 | Minnesota Mining And Manufacturing Company | Optical fiber splice |
| US4818055A (en) * | 1988-04-18 | 1989-04-04 | Minnesota Mining And Manufacturing Company | Optical fiber splice connector |
| US5013123A (en) * | 1988-04-18 | 1991-05-07 | Minnesota Mining And Manufacturing Company | Stamped precision lightguide interconnect centering element |
| US5102212A (en) * | 1988-04-18 | 1992-04-07 | Minnesota Mining And Manufacturing Company | Stamped precision lightguide interconnect centering element |
| US5159653A (en) * | 1988-04-18 | 1992-10-27 | Minnesota Mining And Manufacturing Company | Optical fiber splice |
| US4964688A (en) * | 1988-09-22 | 1990-10-23 | Northern Telecom Limited | Fiber optic connector element and method for its use |
| US4877303A (en) * | 1988-09-22 | 1989-10-31 | Northern Telecom Limited | Fiber optic connector element & method for its use |
| US5088804A (en) * | 1989-07-12 | 1992-02-18 | Optical Fiber Technologies, Inc. | Method and apparatus for terminating a fiber-optic cable without adhesive |
| KR910005522A (ko) * | 1989-08-11 | 1991-03-30 | 제이 엘.사이칙 | 케이블 커넥터 |
| US4961624A (en) * | 1989-08-29 | 1990-10-09 | Amp Incorporated | Optical fiber termination with crimping body |
| US4964685A (en) * | 1989-08-29 | 1990-10-23 | Amp Incorporated | Connector with precision fiber optic alignment clamp |
| US4984865A (en) * | 1989-11-17 | 1991-01-15 | Minnesota Mining And Manufacturing Company | Thermoplastic adhesive mounting apparatus and method for an optical fiber connector |
| US5159655A (en) * | 1991-01-31 | 1992-10-27 | Adc Telecommunications, Inc. | Optical fiber crimp |
-
1993
- 1993-03-23 CA CA002133973A patent/CA2133973C/en not_active Expired - Fee Related
- 1993-03-23 AU AU40440/93A patent/AU683837B2/en not_active Ceased
- 1993-03-23 BR BR9306271A patent/BR9306271A/pt not_active IP Right Cessation
- 1993-03-23 SG SG1996005168A patent/SG52490A1/en unknown
- 1993-03-23 DK DK93911558T patent/DK0637390T3/da active
- 1993-03-23 ES ES93911558T patent/ES2122011T3/es not_active Expired - Lifetime
- 1993-03-23 HU HU9403019A patent/HUT71655A/hu unknown
- 1993-03-23 DE DE69321346T patent/DE69321346T2/de not_active Expired - Lifetime
- 1993-03-23 RU RU94045862/28A patent/RU94045862A/ru unknown
- 1993-03-23 JP JP51834193A patent/JP3441457B2/ja not_active Expired - Fee Related
- 1993-03-23 WO PCT/US1993/002641 patent/WO1993021547A1/en not_active Ceased
- 1993-03-23 CZ CZ942589A patent/CZ258994A3/cs unknown
- 1993-03-23 EP EP93911558A patent/EP0637390B1/en not_active Expired - Lifetime
- 1993-03-29 IL IL10519293A patent/IL105192A/en not_active IP Right Cessation
- 1993-03-29 ZA ZA932227A patent/ZA932227B/xx unknown
- 1993-04-13 MX MX9302124A patent/MX9302124A/es not_active IP Right Cessation
- 1993-04-17 CN CN93104641A patent/CN1039166C/zh not_active Expired - Fee Related
- 1993-04-21 TR TR00334/93A patent/TR27124A/xx unknown
- 1993-08-23 US US08/109,900 patent/US5337390A/en not_active Expired - Lifetime
-
1994
- 1994-10-21 NO NO944027A patent/NO310130B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1077801A (zh) | 1993-10-27 |
| HU9403019D0 (en) | 1994-12-28 |
| EP0637390B1 (en) | 1998-09-30 |
| SG52490A1 (en) | 1998-09-28 |
| BR9306271A (pt) | 1998-11-10 |
| EP0637390A1 (en) | 1995-02-08 |
| IL105192A0 (en) | 1993-09-22 |
| TR27124A (tr) | 1994-11-09 |
| AU683837B2 (en) | 1997-11-27 |
| DE69321346D1 (de) | 1998-11-05 |
| CN1039166C (zh) | 1998-07-15 |
| AU4044093A (en) | 1993-11-18 |
| JPH07505731A (ja) | 1995-06-22 |
| HUT71655A (en) | 1996-01-29 |
| NO944027L (no) | 1994-12-09 |
| DE69321346T2 (de) | 1999-05-12 |
| CA2133973C (en) | 2003-12-16 |
| NO944027D0 (no) | 1994-10-21 |
| MX9302124A (es) | 1993-10-01 |
| ZA932227B (en) | 1994-09-29 |
| NO310130B1 (no) | 2001-05-21 |
| JP3441457B2 (ja) | 2003-09-02 |
| DK0637390T3 (da) | 1999-06-21 |
| CZ258994A3 (en) | 1995-12-13 |
| ES2122011T3 (es) | 1998-12-16 |
| CA2133973A1 (en) | 1993-10-28 |
| US5337390A (en) | 1994-08-09 |
| RU94045862A (ru) | 1996-08-20 |
| WO1993021547A1 (en) | 1993-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5337390A (en) | Adhesiveless connector for optical fibers | |
| US5761360A (en) | Fiber optic connector with fiber gripping means | |
| JP3715176B2 (ja) | 変形可能なバレルを有する迅速接続光ファイバ・コネクタ | |
| US4818055A (en) | Optical fiber splice connector | |
| US5943460A (en) | Adhesiveless fiber optic connector, and an apparatus and method for terminating a fiber optic cable to an adhesiveless fiber optic connector | |
| EP0728319B1 (en) | Actuation tool and cap for fiber optic connector | |
| EP0423581A2 (en) | Separable compact connecting group for optic fibres forming a tape | |
| US5363461A (en) | Field installable optical fiber connectors | |
| KR100409112B1 (ko) | 광섬유 접속기 플러그, 광섬유 접속기 플러그 어셈블리, 및 광섬유 접속기 플러그 어셈블리 접속 구조 | |
| CA2115058A1 (en) | Multiple optical fiber splice | |
| WO1998036304A9 (en) | Adhesiveless fiber optic connector and an apparatus for terminating fiber optic cable to an adhesiveless connector | |
| KR0181500B1 (ko) | 압착식의 정밀 광유도용 광섬유 조심 및 접속요소 | |
| CZ282267B6 (cs) | Spojka optických vláken | |
| US20200257061A1 (en) | Conductive heating assembly for rapid processing of fiber optic connectors; and methods | |
| CN88101887A (zh) | 光波导管用的多路连结器 | |
| CA2024178C (en) | Fiber optic connectors | |
| CA1292899C (en) | Optic fiber connector | |
| HK1034575A1 (en) | Optical fiber connector | |
| HK1007804B (en) | Stamped precision lightguide interconnect centering element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| RH1 | Patent not in force |