Class F03G : SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
Subclass 1/02: Spring motors (spring-driven toys A63H; springs in general F16F; precision time mechanisms, e.g. for clocks or watches, G04B) characterised by shape or material of spring, e.g. helical, spiral, coil
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264654 | Energy storage device and power generation floor with the same | Aug 09, 21 | Apr 01, 25 | Not available |
| 12253067 | Actuator device having power spring retention | Mar 27, 23 | Mar 18, 25 | Siemens Industry, Inc. |
| 12186612 | Tension force stepless adjustment counterweight power generating mechanism and fitness equipment with the same | Aug 10, 21 | Jan 07, 25 | Not available |
| 12180742 | Nitinol Belleville elastic nonlinear (Ni-Belle-E-N) structural assembly | Mar 11, 22 | Dec 31, 24 | University of Cincinnati |
| 12025106 | Stored energy transmission mechanism and stored energy-driven wheel | Jul 12, 22 | Jul 02, 24 | ROYALBABY CYCLE BEIJING CO., LTD. |
| 12006919 | Energy harvesting with fluids | Sep 13, 19 | Jun 11, 24 | Not available |
| 11982101 | Device for automatically cleaning a handle | Jan 23, 20 | May 14, 24 | CleanMotion Sàrl |
| 11965489 | Coupling device | May 20, 22 | Apr 23, 24 | KINETROL LIMITED |
| 11828350 | Actuating drive having a wound flat spring as a restoring spring, which flat spring is designed as a constant-force spring and acts directly on an actuation connection point of the actuating drive | Feb 20, 20 | Nov 28, 23 | Siemens Schweiz AG |
| 11754056 | Dynamic mass torque generator | Mar 28, 22 | Sep 12, 23 | Hawk Spider Energy Corp. |
| 11585327 | Spring return device | Aug 04, 21 | Feb 21, 23 | KINETROL LTD |
| 11536067 | Spring array and method for door counterbalancing | Jul 01, 19 | Dec 27, 22 | Overhead Door Corporation |
| 11460012 | Systems and methods for capturing kinetic energy and for emission-free conversion of captured energy to electricity | Mar 05, 21 | Oct 04, 22 | Constructis Group, Inc. |
| 11434726 | Self-winding power generating systems and methods for downhole environments | Jun 10, 20 | Sep 06, 22 | Saudi Arabian Oil Company |
| 11404660 | Flexible organic light-emitting display (OLED) and spring component | Jan 17, 19 | Aug 02, 22 | Not available |
| 11365824 | Adjustable fail-safe rotary spring operator with a retaining band | Oct 31, 18 | Jun 21, 22 | Rotork Plc |
| 11306793 | Torque adjustment mechanism | Oct 09, 20 | Apr 19, 22 | The McAlear Group, Inc. |
| 11085422 | Coiled and twisted nanofiber yarns for electrochemically harvesting electrical energy from mechanical deformation | Jun 28, 18 | Aug 10, 21 | 501 Board of Regents The University of Texas System; Industry-University Cooperation Foundation Hanyang University; |
| 10995833 | Mechanism for storing and releasing mechanical energy | Jul 24, 17 | May 04, 21 | Not available |
| 10989175 | Power generation for valve actuators | Feb 27, 18 | Apr 27, 21 | Flowserve Management Company |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0328,194 | DEVICE FOR AUTOMATICALLY CLEANING A HANDLE | Apr 02, 24 | Oct 03, 24 | CleanMotion Sàrl |
| 2024/0224,445 | Display Device | Nov 27, 23 | Jul 04, 24 | Not available |
| 2024/0141,873 | ELASTIC ENERGY STORAGE DEVICE WHICH IS USED FOR CONVERTING MECHANICAL ENERGY INTO ELECTRICAL ENERGY | Oct 20, 23 | May 02, 24 | Not available |
| 2020/0370,542 | GEARBOX USED IN WHEEL ASSEMBLIES WITH VARIABLE LEVEL OF VIBRATION | May 23, 19 | Nov 26, 20 | Not available |
| 2020/0300,063 | Self-Winding Power Generating Systems and Methods for Downhole Environments | Jun 10, 20 | Sep 24, 20 | Not available |
| 2020/0191,126 | COIL SPRING UNIT, DRIVING FORCE TRANSMITTING DEVICE AND IMAGE FORMING APPARATUS | Feb 20, 20 | Jun 18, 20 | Not available |
| 2019/0242,368 | MULTI-BUFFERING ENERGY STORAGE DEVICE AND APPLICATION THEREOF | Nov 10, 17 | Aug 08, 19 | Not available |
| 2019/0083,217 | Battery-Free Powered Toothbrush | Aug 21, 18 | Mar 21, 19 | Goodwell Inc. |
| 2017/0373,560 | Mechanical Battery | Aug 04, 16 | Dec 28, 17 | Not available |
| 2017/0260,971 | SPRING MECHANISM | Mar 20, 17 | Sep 14, 17 | Not available |
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