Patents-Review.com
ClassID:

40757 ⎘

B23B51/044 - CPC Classification

Classification description:

Tools for drilling machines for trepanning Drills with core holding devices

Sub-classes:
Recent Application in this class:
#1
20260108958
2026-04-23

METHOD FOR REMOVING A PORTION OF A STRUCTURE

 #2
20260027629
2026-01-29

HOLE SAW ARBOR ASSEMBLY

 #3
20250303481
2025-10-02

HOLE SAW

 #4
20240390993
2024-11-28

PLUG CUTTING TOOL AND RELATED METHOD OF USE

 #5
20240189926
2024-06-13

METHOD OF USING A PIPE COUPON RETAINER

 #6
20240189925
2024-06-13

PIPE COUPON RETAINER

 #7
20240017335
2024-01-18

HOLE SAW

 #8
20230150040
2023-05-18

Pipe coupon retainer

 #9
20220274190
2022-09-01

Coring device for cutting holes through a structure

 #10
20220241874
2022-08-04

Method for removing a portion of a structure

 #11
20220097150
2022-03-31

HOLE SAW ARBOR ASSEMBLY

 #12
20210245271
2021-08-12

Hole saw

 #13
20210172839
2021-06-10

Devices And Methods For Cutting And Retrieving A Sample of Wood

 #14
20210154750
2021-05-27

Hole saw arbor

 #15
20150306884
2015-10-29

Printer cartridge pin exposure and removal apparatus

 #16
20140369775
2014-12-18

Quick-change attachment configuration for a hole saw

 #17
20140369774
2014-12-18

Hollow Core Drive Shaft Device for Core Drilling and Method of Using the Same

 #18
20140178140
2014-06-26

CUTTING ASSEMBLY

 #19
20140117607
2014-05-01

Core barrel holder and methods of using same

 #20
20140030036
2014-01-30

Apparatus for cutting twisted strips

 #21
20130195571
2013-08-01

Drill bit and core retaining device

 #22
20120247838
2012-10-04

DRILL BIT AND CORE RETAINING DEVICE

 #23
20090229885
2009-09-17

Apparatus, system, and method for catching a core

 #24
20070297867
2007-12-27

Pilot Drill with Pilot Drill and Coupon Retainers and Hot Tapping Machine Using the Same

 #25
20070022594
2007-02-01

Device and method for releasing a rivet connection

 #26
20060188349
2006-08-24

Pilot drill with coupon retainer and hot tapping machine using the same

 #27
15990756
2019-05-07

Heavy equipment concrete core drill attachment

 #28
15077094
2017-11-14

Hole saw with threadably removable portion