--- title: "Ambrell Patents | Induction Heating Solutions" description: "To bring you improved and innovative solutions for your process heating needs, Ambrell secures patents for the technologies we bring to our markets. " type: article version: 2 version_id: "21485090-76b7-4991-846d-b7af2f8a09fc" generated_at: "2026-06-05T14:49:03.968Z" language: en-us reading_time: "9 min" word_count: 1614 keywords: ["Ambrell Patents", "Induction Heating Solutions"] url: "https://www.ambrell.com/ambrell-patents" --- # Ambrell Patents | Induction Heating Solutions > To bring you improved and innovative solutions for your process heating needs, Ambrell secures patents for the technologies we bring to our markets. ## Key Takeaways - Listing # AMBRELL PATENTS To bring you improved and innovative solutions for your process heating needs, Ambrell secures patents for the technologies we bring to our markets. This protects our intellectual property today and ensures our relevance tomorrow. - [Home](https://www.ambrell.com) - [About](https://www.ambrell.com/about-ambrell) - Patents ## Listing Patent Number: [8269532](https://www.freepatentsonline.com/8269532.html) Author: Paull, Ian A. Title: Constant phase angle control for frequency agile power switching systems Product Family:  EASYHEAT * * * Patent Number: [8283985](httpss://www.freepatentsonline.com/8283985.html) Author: Paull, Ian A. Title: Automatic frequency compensation for pulse width modulated RF level control Product Family:  EKOHEAT * * * Patent Number: [7906997](https://www.freepatentsonline.com/7906997.html) Author: Paull, Ian A. Title: Constant phase angle control for frequency agile power switching systems Product Family:  EASYHEAT * * * Patent Number: [7995362](https://www.freepatentsonline.com/7995362.html) Author: Fenton, David L.,Paull, et. al. Title: High voltage full bridge circuit and method for operating the same Product Family:  EASYHEAT * * * Patent Number: [7787268](https://www.freepatentsonline.com/7787268.html) Author: Fenton, David L.,Paull, et. al. Title: Power switching system to increase induction heating to a load from available AC mains power Product Family: * * * Patent Number: [7829827](https://www.freepatentsonline.com/7829827.html) Author: Richard Rosenbloom et al Title: Radio frequency (RF) induction cooking food heater Product Family: * * * Patent Number: [7804045](https://www.freepatentsonline.com/7804045.html) Author: Richard Rosenbloom et al Title: A portable food heater, comprising: a generally cylindrical housing having an opening formed in a top portion of the housing for receiving food... Product Family: * * * Patent Number: [7626463](https://www.freepatentsonline.com/7626463.html) Author: Paull Title: Automatic Frequency compensation for pulse width modulation RF level control Product Family:  EKOHEAT * * * Patent Number: [7551011](https://patents.google.com/patent/US7551011?oq=7551011) Author: Paull Title: Constant phase angle control for frequency agile power switching systems Product Family:  EASYHEAT * * * Patent Number: [7489530](https://patents.google.com/patent/US7489530B2/en?oq=7489530) Author: Paull Title: High voltage full bridge circuit and method for operating the same Product Family:  EASYHEAT * * * Patent Number: [6861629](https://patents.google.com/patent/US6861629B2/en?oq=6861629) Author: Dahake, et. al. Title: Induction furnace for heating a workpiece in an inert atmosphere or vacuum Product Family: * * * Patent Number: [6730894](https://patents.google.com/patent/US6730894B2/en?oq=6730894) Author: Thompson, et. al. Title: Resonant frequency tracking system and method for use in a radio frequency (RF) power supply Product Family: * * * Patent Number: [6664881](https://patents.google.com/patent/US6664881B1/en?oq=6664881) Author: Thompson, et. al. Title: Efficient, low leakage inductance, multi-tap, RF transformer and method of making same Product Family: * * * Patent Number: [6521874](https://patents.google.com/patent/US6521874B2/en?oq=6521874) Author: Thompson, et. al. Title: RF power supply Product Family: * * * Patent Number: [6359267](https://patents.google.com/patent/US6359267B1/en?oq=6359267) Author: Wilcox, et. al. Title: Induction heating system Product Family: * * * Patent Number: [6348679](https://patents.google.com/patent/US6348679B1/en?oq=6348679) Author: Ryan, et. al. Title: RF active compositions for use in adhesion, bonding and coating Product Family: * * * Patent Number: [6316756](https://patents.google.com/patent/US6316756B1/en?oq=6316756) Author: Thompson, et. al. Title: Resonant frequency tracking system and method for use in a radio frequency (RF) power supply Product Family: * * * Patent Number: [9167631](https://patents.google.com/patent/US9167631B2/en?oq=9167631) Author: Paull, Ian A. Title: Power system component protection system for use with an induction heating system Product Family: EASYHEAT | EKOHEAT * * * Patent Number: [9554423](https://patents.google.com/patent/US9554423B2/en?oq=9554423) Author: Paull, Ian A. Title: Induction heating system Product Family: EKOHEAT * * * Patent Number: [9439246](https://patents.google.com/patent/US9439246B2/en?oq=9439246) Author: Paull, Ian A. Title: Dynamic power balancing among multiple induction heater power units Product Family: EKOHEAT * * * Patent Number: [6271508](https://patents.google.com/patent/US6271508B1/en?oq=6271508) Author: Thompson, et. al. Title: System and method for providing RF power to a load Product Family: * * * Patent Number: [6255635](https://patents.google.com/patent/US6255635B1/en?oq=6255635) Author: Thompson, et. al. Title: System and method for providing RF power to a load Product Family: * * * Patent Number: [6157258](https://patents.google.com/patent/US6157258A/en?oq=6157258%EF%BB%BF) Author: Adishian, et. al. Title: High frequency power amplifier Product Family: * * * Patent Number: [6072362](https://patents.google.com/patent/US6072362A/en?oq=6072362) Author: Lincoln Title: System for enabling a full-bridge switch-mode amplifier to recover all reactive energy Product Family: * * * Patent Number: [6995345](https://patents.google.com/patent/US6995345B2/en?oq=6995345) Author: Gorbold Title: Electrode apparatus for stray field radio frequency heating Product Family: * * * Patent Number: [6812445](https://patents.google.com/patent/US6812445B2/en?oq=%EF%BB%BF6812445) Author: Gorbold Title: Electrode apparatus for stray field radio frequency heating Product Family: * * * Patent Number: [6649888](https://patents.google.com/patent/US6649888B2/en?oq=6649888) Author: Ryan, et. al. Title: Radio frequency (RF) heating system Product Family: * * * Patent Number: [6617557](https://patents.google.com/patent/US6617557B1/en?oq=6617557) Author: Ryan, et. al. Title: Apparatus for RF active compositions used in adhesion, bonding, and coating Product Family: * * * Patent Number: [6600142](https://patents.google.com/patent/US6600142B2/en?oq=6600142) Author: Ryan, et. al. Title: RF active compositions for use in adhesion, bonding and coating Product Family: * * * Patent Number: [9000335](https://patents.google.com/patent/US9000335B2/en?oq=%EF%BB%BF9000335) Author:  Rosenbloom, et. al. Title: Food heater Product Family: * * * Patent Number: [8803047](https://patents.google.com/patent/US8803047B2/en?oq=%EF%BB%BF%EF%BB%BF8803047) Author: Stratford, et. al. Title: Induction heating systems and methods for producing an object having a varying hardness along the length of the object Product Family: * * * Patent Number: [8481893](https://patents.google.com/patent/US8481893B2/en?oq=8481893) Author: Rosenbloom, et. al. Title: Portable food heater Product Family: * * * Patent Number: [8331115](https://patents.google.com/patent/US8331115B2/en?oq=8331115) Author: Fenton, et. al. Title: Power switching system to increase induction heating to a load from available AC mains power Product Family: * * * Patent Number: [6141227](https://patents.google.com/patent/US6141227A/en?oq=6141227) Author: Sheikh ,   et al. Title: Power supply with reduced second harmonic Product Family: * * * Four Ways To Contact Ambrell for Support [](https://www.ambrell.com/products/demo-request) [Request a Demo](https://www.ambrell.com/products/demo-request) [](https://www.ambrell.com/contact-us) [Give Us a Call](https://www.ambrell.com/contact-us) [](mailto:sales@ambrell.com) [Send an Email](mailto:sales@ambrell.com) [](https://www.ambrell.com/services/applications-lab) [Free Lab Services](https://www.ambrell.com/services/applications-lab) ### AMBRELL CORPORATION 1655 Lyell Avenue Rochester, NY 14606 United States  [](//www.ambrell.com/directions) [Directions](//www.ambrell.com/directions) [T: +1 585 889 9000](tel:15858899000) F: +1 585 889 4030 [Contact Sales](mailto:sales@ambrell.com) [Contact Orders](mailto:ambrellorders@ambrell.com) [Contact Service](mailto:service@ambrell.com) ### AMBRELL B.V. 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