Efficient Energy GmbH – Trademark Portfolio

Entity Type: 16

Efficient Energy GmbH holds 21 U.S. trademarks filed with the United States Patent and Trademark Office (USPTO), with a strong focus on Class 7 (Machinery) — 21 filings in this category. The portfolio also extends into Class 37 (Building & Construction) across 9 Nice Classification classes. Currently, 10 trademarks are registered. Notable registered marks include H2O, BLUEZERO, BLUEZEROIT, BLUEHORIZON, and BLUEZERODATA.