Category:Christopher C. LANGENFELD of Nashua NH (US)

Christopher C. LANGENFELD of Nashua NH (US)

Executive Summary

Christopher C. LANGENFELD of Nashua NH (US) is an inventor who has filed 2 patents. Their primary areas of innovation include the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines (2 patents), the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines (2 patents), HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid (2 patents), and they have worked with companies such as DEKA Products Limited Partnership (2 patents). Their most frequent collaborators include (2 collaborations), (1 collaborations), (1 collaborations).

Patent Filing Activity

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Technology Areas

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List of Technology Areas

• F02G1/0435 (the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines): 2 patents
• F02G1/043 (the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines): 2 patents
• F02G2244/08 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 2 patents
• F02G2253/08 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 2 patents
• F02G2253/80 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 2 patents
• F02G2270/85 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 2 patents
• F01B7/12 (using rockers and connecting-rods): 1 patents
• F02G1/044 (having at least two working members, e.g. pistons, delivering power output): 1 patents
• F02G1/0535 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F16C9/04 (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS): 1 patents
• F16C11/04 (Pivotal connections (hinges for doors, windows or wings): 1 patents
• F16C11/12 (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS): 1 patents
• F16J3/06 (PISTONS {(specially adapted for dampers): 1 patents
• F16J15/52 (by means of sealing bellows or diaphragms (connection of valves to inflatable elastic bodies): 1 patents
• F02G2253/03 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F02G2270/45 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F02G2270/50 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F02B75/18 (INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants): 1 patents
• F02B75/1896 ({with two or more pistons connected to one crank and having a common combustion space}): 1 patents
• F02F3/0023 (Pistons): 1 patents
• F02G1/0445 (having at least two working members, e.g. pistons, delivering power output): 1 patents
• F02G1/055 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F16H21/12 (GEARING): 1 patents
• F16H21/34 (GEARING): 1 patents
• F16H35/18 (Turning devices for rotatable members, e.g. shafts): 1 patents
• F25B9/14 (characterised by the cycle used, e.g. Stirling cycle): 1 patents
• F02B2075/1808 (INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants): 1 patents
• F02G2254/10 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F02G2255/00 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F02G2257/00 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• F02G2270/005 (HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid): 1 patents
• Y02W10/37 (No explanation available): 1 patents
• Y10T74/18392 (No explanation available): 1 patents

Companies

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List of Companies

• DEKA Products Limited Partnership: 2 patents

Collaborators

• Prashant BHAT of Bedford NH (US) (2 collaborations)
• Dean KAMEN of Bedford NH (US) (1 collaborations)
• Stanley B. SMITH, III of Raymond NH (US) (1 collaborations)
• Michael J. SLATE of Merrimack NH (US) (1 collaborations)