| US4330703A              (en) | 1975-08-04 | 1982-05-18 | Raychem Corporation | Layered self-regulating heating article | 
| US4177376A              (en)* | 1974-09-27 | 1979-12-04 | Raychem Corporation | Layered self-regulating heating article | 
| US4421582A              (en) | 1975-08-04 | 1983-12-20 | Raychem Corporation | Self-heating article with deformable electrodes | 
| US4177446A              (en)* | 1975-12-08 | 1979-12-04 | Raychem Corporation | Heating elements comprising conductive polymers capable of dimensional change | 
| CA1100561A              (en)* | 1975-12-08 | 1981-05-05 | Stephen H. Diaz | Apertured deformable laminar heating elements | 
| FR2321815A1              (en)* | 1976-08-03 | 1977-03-18 | Raychem Corp | Positive temperature coefficient heating element - uses secondary heater which supplies heat to element when part of element reaches switching temperature | 
| US4866253A              (en)* | 1976-12-13 | 1989-09-12 | Raychem Corporation | Electrical devices comprising conductive polymer compositions | 
| US4426339B1              (en) | 1976-12-13 | 1993-12-21 | Raychem Corp. | Method of making electrical devices comprising conductive polymer compositions | 
| US4876440A              (en)* | 1976-12-13 | 1989-10-24 | Raychem Corporation | Electrical devices comprising conductive polymer compositions | 
| US4764664A              (en)* | 1976-12-13 | 1988-08-16 | Raychem Corporation | Electrical devices comprising conductive polymer compositions | 
| DE2708504A1              (en)* | 1977-02-26 | 1978-08-31 | Raychem Corp | Extensible sandwich construction electrical heating elements - for self-heating heat shrink sheathing for cable junction insulation | 
| GB1604904A              (en)* | 1977-05-18 | 1981-12-16 | Raychem Corp | Electrical devices and heating method | 
| DE2832119A1              (en)* | 1977-07-25 | 1979-02-08 | Raychem Corp | SELF-HEATABLE AND HEAT REPLACEMENT OBJECTIVE AND PROCESS FOR APPLYING A COVERING TO AN OBJECT | 
| US4315237A              (en) | 1978-12-01 | 1982-02-09 | Raychem Corporation | PTC Devices comprising oxygen barrier layers | 
| US4329726A              (en) | 1978-12-01 | 1982-05-11 | Raychem Corporation | Circuit protection devices comprising PTC elements | 
| US4255698A              (en)* | 1979-01-26 | 1981-03-10 | Raychem Corporation | Protection of batteries | 
| US4223209A              (en)* | 1979-04-19 | 1980-09-16 | Raychem Corporation | Article having heating elements comprising conductive polymers capable of dimensional change | 
| US4445026A              (en)* | 1979-05-21 | 1984-04-24 | Raychem Corporation | Electrical devices comprising PTC conductive polymer elements | 
| US4327351A              (en) | 1979-05-21 | 1982-04-27 | Raychem Corporation | Laminates comprising an electrode and a conductive polymer layer | 
| US4272471A              (en) | 1979-05-21 | 1981-06-09 | Raychem Corporation | Method for forming laminates comprising an electrode and a conductive polymer layer | 
| US4543474A              (en)* | 1979-09-24 | 1985-09-24 | Raychem Corporation | Layered self-regulating heating article | 
| US4314231A              (en) | 1980-04-21 | 1982-02-02 | Raychem Corporation | Conductive polymer electrical devices | 
| US4521359A              (en)* | 1981-12-04 | 1985-06-04 | Exxon Research & Engineering Co. | Method of coextruding plastics to form a composite sheet | 
| US4459473A              (en)* | 1982-05-21 | 1984-07-10 | Raychem Corporation | Self-regulating heaters | 
| DE3730580C1              (en)* | 1987-09-11 | 1989-02-23 | Rheydt Kabelwerk Ag | Thermal hose | 
| AU5678496A              (en)* | 1995-05-10 | 1996-11-29 | Littelfuse, Inc. | Ptc circuit protection device and manufacturing process for same | 
| DE953992T1              (en) | 1995-08-15 | 2000-04-20 | Bourns, Multifuse (Hong Kong) Ltd. | Surface mount conductive polymer devices and methods of making the same | 
| TW309619B              (en) | 1995-08-15 | 1997-07-01 | Mourns Multifuse Hong Kong Ltd |  | 
| US5814264A              (en)* | 1996-04-12 | 1998-09-29 | Littelfuse, Inc. | Continuous manufacturing methods for positive temperature coefficient materials | 
| US6020808A              (en) | 1997-09-03 | 2000-02-01 | Bourns Multifuse (Hong Kong) Ltd. | Multilayer conductive polymer positive temperature coefficent device | 
| TR200002272T2              (en) | 1998-02-02 | 2000-11-21 | Manfred Elsaesser | The use of flat heating element and flat heating elements. | 
| AT406924B              (en)* | 1998-02-02 | 2000-10-25 | Manfred Dr Elsaesser | HEATING ELEMENT | 
| US6242997B1              (en) | 1998-03-05 | 2001-06-05 | Bourns, Inc. | Conductive polymer device and method of manufacturing same | 
| US6172591B1              (en) | 1998-03-05 | 2001-01-09 | Bourns, Inc. | Multilayer conductive polymer device and method of manufacturing same | 
| US6236302B1              (en) | 1998-03-05 | 2001-05-22 | Bourns, Inc. | Multilayer conductive polymer device and method of manufacturing same | 
| EP1123549A1              (en) | 1998-09-25 | 2001-08-16 | Bourns, Inc. | Two-step process for preparing positive temperature coefficient polymer materials | 
| US6429533B1              (en) | 1999-11-23 | 2002-08-06 | Bourns Inc. | Conductive polymer device and method of manufacturing same | 
| US6918389B2              (en) | 2000-03-21 | 2005-07-19 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus | 
| US7120354B2              (en) | 2000-03-21 | 2006-10-10 | Fisher & Paykel Healthcare Limited | Gases delivery conduit | 
| US7111624B2              (en) | 2000-03-21 | 2006-09-26 | Fisher & Paykel Healthcare Limited | Apparatus for delivering humidified gases | 
| US7588029B2              (en) | 2000-03-21 | 2009-09-15 | Fisher & Paykel Healthcare Limited | Humidified gases delivery apparatus | 
| AU2002211121B2              (en) | 2000-10-16 | 2005-11-03 | Fisher & Paykel Healthcare Limited | Improvements to apparatus used for the humidification of gases in medical procedures | 
| EP4049703B1              (en) | 2004-08-20 | 2023-09-27 | Fisher & Paykel Healthcare Limited | Apparatus for measuring properties of gases supplied to a patient | 
| DK3685877T3              (en) | 2011-06-03 | 2023-10-02 | Fisher & Paykel Healthcare Ltd | MEDICAL TUBES CONSISTING OF CONDUCTIVE FILAMENTS AND METHODS OF PRODUCTION | 
| US10398861B2              (en) | 2012-05-23 | 2019-09-03 | Fisher & Paykel Healthcare Limited | Flow path fault detection method for a respiratory assistance apparatus | 
| GB2575363B              (en) | 2012-11-14 | 2020-04-22 | Fisher & Paykel Healthcare Ltd | Zone heating for respiratory circuits | 
| GB2527210B              (en) | 2012-12-04 | 2020-02-05 | Fisher & Paykel Healthcare Ltd | A Breathing Tube and Method of Manufacturing a Breathing Tube | 
| NO335175B1              (en)* | 2013-04-30 | 2014-10-13 | Christian Parmann | Apparatus for a welding tape and manufacture of the same, construction of resistance wire for use in welding tape, a method of reinforcing a welding area between thermoplastic articles and applications of the welding tape. | 
| US10814091B2              (en) | 2013-10-24 | 2020-10-27 | Fisher & Paykel Healthcare Limited | System for delivery of respiratory gases | 
| CN106029147B              (en) | 2013-12-20 | 2020-01-21 | 费雪派克医疗保健有限公司 | Humidification system connection | 
| CN111265754B              (en) | 2014-03-17 | 2023-06-06 | 费雪派克医疗保健有限公司 | Medical tube for respiratory system | 
| WO2017043981A1              (en) | 2015-09-09 | 2017-03-16 | Po-Yen Liu | Zone heating for respiratory circuits | 
| EP3544662B1              (en) | 2016-12-22 | 2024-11-27 | Fisher & Paykel Healthcare Limited | Medical tubes and methods of manufacture |