Class B25D : PERCUSSIVE TOOLS
Subclass 9/04: Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (centrifugal or rotary impact type B25D 15/00 ) of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12070844 | Hydraulic hammering device | Nov 08, 21 | Aug 27, 24 | Furukawa Rock Drill Co., Ltd. |
| 12059606 | Method and device for making a hole in a golf green | Aug 13, 21 | Aug 13, 24 | KSAB GOLF EQUIPMENT AKTIEBOLAG |
| 12036653 | Impact tool anvil having a transition region with multiple attributes | Mar 12, 21 | Jul 16, 24 | Ingersoll-Rand Industrial U.S., Inc. |
| 11904447 | Driving tool | Sep 16, 22 | Feb 20, 24 | Makita Corporation |
| 11858101 | Driver, striking mechanism, and moving mechanism | Nov 04, 22 | Jan 02, 24 | KOKI HOLDINGS CO., LTD. |
| 11679481 | Blade mounting device for mounting blade of pushing cut tool | Dec 27, 18 | Jun 20, 23 | JURAKU CO., LTD. |
| 11628550 | Vibration reducing structure of pneumatic hammer | Nov 23, 21 | Apr 18, 23 | Storm Pneumatic Tool Co., Ltd. |
| 11590642 | Hydraulic hammering device | Jul 23, 18 | Feb 28, 23 | Furukawa Rock Drill Co., Ltd. |
| 11583987 | Impact hammer system | Jul 10, 20 | Feb 21, 23 | Not available |
| 11571797 | Pneumatic impact tool having vibration reducing structure | Feb 11, 22 | Feb 07, 23 | Storm Pneumatic Tool Co., Ltd. |
| 11491629 | Driver, striking mechanism, and moving mechanism | Mar 30, 18 | Nov 08, 22 | KOKI HOLDINGS CO., LTD. |
| 11185969 | Pneumatic tool having movable air tube | Oct 08, 19 | Nov 30, 21 | Not available |
| 11027403 | Hydraulic hammer | Jun 18, 18 | Jun 08, 21 | Caterpillar Inc. |
| 10857658 | Hydraulic percussion device and construction apparatus having the same | Feb 06, 17 | Dec 08, 20 | Daemo Engineering Co., Ltd.; KOCETI (Korea Construction Equipment Technology Institute); |
| 10710229 | Impact hammer | Apr 18, 18 | Jul 14, 20 | Not available |
| 10538892 | Hydraulic impact hammer systems and methods | Jun 30, 16 | Jan 21, 20 | American Piledriving Equipment Inc. |
| 10525577 | Power tool | Nov 20, 17 | Jan 07, 20 | Nanjing Chervon Industry Co. Ltd. |
| 10384336 | Hydraulic hammer assembly | Apr 12, 16 | Aug 20, 19 | Caterpillar Inc. |
| 10363651 | Hammer assembly | Sep 28, 15 | Jul 30, 19 | Caterpillar Inc. |
| 10363652 | Low-noise hydraulic hammer | Nov 21, 14 | Jul 30, 19 | S.M METAL CO., LTD. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0408,734 | Impacting Apparatus | Apr 28, 24 | Dec 12, 24 | Not available |
| 2024/0116,162 | Multi-Stroke Powered Safety Hammer System With Powered Staple Tool | Dec 13, 23 | Apr 11, 24 | Donald W. Carlson |
| 2024/0110,362 | RODS FOR ENGAGING A TOOL OF A HAMMER WITHIN A HOUSING OF THE HAMMER | Sep 30, 22 | Apr 04, 24 | Caterpillar Inc. |
| 2022/0055,196 | Hydraulic Hammering Device | Nov 08, 21 | Feb 24, 22 | Not available |
| 2019/0321,957 | Impact Hammer | Apr 18, 18 | Oct 24, 19 | Not available |
| 2019/0160,642 | HYDRAULIC PERCUSSION DEVICE AND CONSTRUCTION APPARATUS HAVING THE SAME | Feb 06, 17 | May 30, 19 | DAEMO ENGINEERING CO., LTD.; KOCETI (KOREA CONSTRUCTION EQUIPMENT TECHNOLOGY IN STITUTE); |
| 2018/0147,708 | LATCH MECHANISM FOR RETAINING AND REMOVING A VALVE BODY OF A HYDRAULIC HAMMER | Nov 29, 16 | May 31, 18 | Caterpillar Inc. |
| 2017/0361,446 | Shock Absorption Structure of the Pneumatic Tool | Dec 21, 16 | Dec 21, 17 | Not available |
| 2017/0080,554 | HYDRAULIC HAMMER ASSEMBLY | Nov 30, 16 | Mar 23, 17 | CATERPILLAR INC. |
| 2016/0271,778 | Fixing Structure for Cylinder | Mar 21, 15 | Sep 22, 16 | Not available |
| 2016/0271,780 | Shock Absorption Device for Pneumatic Tool | Mar 19, 15 | Sep 22, 16 | Not available |
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