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Patente

Referenziert von

Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
US397087831. März 197520. Juli 1976Teledyne Exploration CompanyPiezoelectric transducer unit and hydrophone assembly
US40104415. März 19751. März 1977Etat FrancaisFlexion-plate hydrophones
US401523321. März 197429. März 1977Institut Francais du Petrole, des Carburants et Lubrifiants et Entreprise de Recherches et d'Activities Petrolieres ElfPressure sensor of low sensitivity with respect to acceleration
US40178246. Juni 197512. Apr. 1977The Bendix CorporationAcceleration-insensitive hydrophone
US405145520. Nov. 197527. Sept. 1977Westinghouse Electric CorporationDouble flexure disc electro-acoustic transducer
US407560010. Juni 197621. Febr. 1978The United States of America as represented by the Secretary of the NavyDual resonance bender transducer
US409393529. Apr. 19776. Juni 1978Raytheon CompanyExpandable transducer array
US416247621. Okt. 197624. Juli 1979Her Majesty the Queen in right of Canada, as represented by the Minister of National DefenceAcceleration balanced hydrophone II
US41840937. Juli 197815. Jan. 1980The United States of America as represented by the Secretary of the NavyPiezoelectric polymer rectangular flexural plate hydrophone
US467917819. Sept. 19857. Juli 1987Geophysical Company of Norway A.S.Arrangement in hydrophone
US47001002. Sept. 198613. Okt. 1987Magnavox Government and Industrial Electronics CompanyFlexural disk resonant cavity transducer
US484119225. Sept. 198720. Juni 1989Getech A/SPiezoelectric hydrophone
US494120213. Sept. 198210. Juli 1990Sanders Associates, Inc.Multiple segment flextensional transducer shell
US53943794. Aug. 199328. Febr. 1995Prakla-Seismos GmbHHydrophone
US56423322. Okt. 199524. Juni 1997I/O Exploration Products (U.S.A.), Inc.Acoustic transducer
US564647022. Nov. 19948. Juli 1997Benthos, Inc.Acoustic transducer
US57898448. Dez. 19954. Aug. 1998Benthos, Inc.Acoustic transducer
US583863729. Apr. 199717. Nov. 1998Institut Francais du Petrole
Vinci Technologies
Hydrophone and process for manufacturing it
US64380704. Okt. 199920. Aug. 2002Halliburton Energy Services, Inc.Hydrophone for use in a downhole tool
US659419923. Mai 200215. Juli 2003Halliburton Energy Services, Inc.Hydrophone for use in a downhole tool
US749937727. Aug. 20043. März 2009The University of Manchester
The University of Southampton
The University of Newcastle
Pressure wave piezoelectric sensor