trademarks under serial number 75811721. The goods are Stirling engines for driving machines; water pumps coupled to and driven by stirling cycle engines for agricultural purposes, irrigation, pumping water for plants and animals, domestic water supply and drainage; free piston stirling engines for use in educational demonstrations of the operating principles of the engines; electric alternators driven by free piston stirling engines, Electric powered stirling coolers for refrigeration, cryo- cooling, and cooling electronic components, liquefying gases, cooling superconducting materials, cryosurgery, preservation of blood and medical samples, Technical consultation in the field of engineering; analysis, research, design engineering, and product development for others in the field of free-piston machines, free piston machines coupled with other machines, stirling heat engines, mechanical cooling and cryocooling devices, linear compressors, biomass fired electric generators, solar and wind conversion apparatus, fuel-fired compressors coupled to and driven by stirling engines, free-piston stirling coolers driven by free-piston stirling. Currently that trademark is represented by trademark attorney(s): Frank H. Foster.

USPTO Trademark Record · Serial No. 75811721

Trademark details

is a trademark. Serial number of that application is 75811721.

It was initially claimed by Sunpower, Inc. on 19990929.

That brand applies to the following goods and services:Stirling engines for driving machines; water pumps coupled to and driven by stirling cycle engines for agricultural purposes, irrigation, pumping water for plants and animals, domestic water supply and drainage; free piston stirling engines for use in educational demonstrations of the operating principles of the engines; electric alternators driven by free piston stirling engines, Electric powered stirling coolers for refrigeration, cryo- cooling, and cooling electronic components, liquefying gases, cooling superconducting materials, cryosurgery, preservation of blood and medical samples, Technical consultation in the field of engineering; analysis, research, design engineering, and product development for others in the field of free-piston machines, free piston machines coupled with other machines, stirling heat engines, mechanical cooling and cryocooling devices, linear compressors, biomass fired electric generators, solar and wind conversion apparatus, fuel-fired compressors coupled to and driven by stirling engines, free-piston stirling coolers driven by free-piston stirling.

Currently that trademark is represented by trademark attorney(s): Frank H. Foster.

You can learn more about that trademark on the USPTO website: View the USPTO record

Services available

Service Description Our Fee Gov. Fee Action
Statement of Actual Use for Your TrademarkPrepare and file a Statement of Actual Use for your Trademark with the USPTO.$295$150
Extension of Time to File Trademark SOUPrepare and file an Extension of Time to File Statement of Use (EOT) with the USPTO. $320$125
Trademark RegistrationOne of our Attorneys will search, advise and file your new application. Service includes a short consultation with an attorney (over the phone or by email), up to 3 choices for your trademark name, and the correct classification of goods which will save you money! Application covers 1 International class of goods.$649$350
Trademark Renewal (Section 8 and Section 15 Affidavits; filed 5-6 year after registration) +Attorney of Record for 5 years, until next renewalPrepare and File Trademark Renewal 5-6 year, including Section 8 Affidavit of Continuous Use; Section 15 Declaration of Incontestability, if applicable. +Attorney of Record for 5 years, until next renewal$700$575
Trademark Renewal 9-10 year+Attorney of Record for 10 years, until next renewalPrepare and File Trademark Renewal 9-10 Year, including P Section 8 Affidavit of Continuous Use; Section 9 Application for Renewal. +Attorney of Record for 10 years, until next renewal$700$650
Response to Office Action - FREE estimateProvide email with an estimated price for the response to the office action.VaryVary
ConsultationPhone consultation/interview to begin preparation of a response and advise you on your issue. Further retained services will be reduced by this amount.$400Vary
All other issuesPhone consultation/interview to begin preparation of a response and advise you on your issue. Further retained services will be reduced by this amount.$400Vary
EstimateProvide email with an estimated price for the requested service(s).VaryVary
Licensing AgreementCustom made trademark licensing or sharing agreements. From $600 -- request an estimate$1,000Vary
AssignmentTransfer of the trademark ownership. Assignments. From $400 -- request an estimate.$400$40
Extra Basis (Section 1(a) or 1(b)) for Foreign ApplicantsNeeded for foreign applicants: adds a second filing basis, Section 1(a) use in commerce or Section 1(b) intent to use, to an application based on a foreign registration (Section 44(e)) or foreign priority (Section 44(d)). If the home-country application is refused, withdrawn or delayed, the U.S. application proceeds on the Section 1 basis and keeps its filing date. No government fee.$350Vary

Questions about this trademark?

If you have questions or issues related to the trademark — or to trademarks in general — our trademark attorneys can help. No appointment needed: call us or request a free estimate.

Register a Trademark   Get a Free Estimate

DISCLAIMER: The materials on this Website are for informational purposes only. These materials are not presented for the purpose of providing legal advice and do not constitute an offer to represent you. Materials have been abridged from laws, court decisions and administrative rulings, and should not be considered as legal opinions, specific facts or substitutes for advice of legal counsel. Your use of this Website does not create an attorney-client relationship between Law offices of Pesochinsky LLC and you. You should not act, or refrain from acting, based upon any materials presented here. The materials presented on this Website are not privileged or confidential. In no event should you send confidential information until you speak with an attorney and receive authorization to do so.

MyBrandMark.com BBB Business Review

All Rights Reserved © 2026. MyBrandMark.com