Patents-Review.com
ClassID:

131239 ⎘

E04F21/245 - CPC Classification

Classification description:

Implements for finishing work on buildings for laying flooring of masses made , e.g. smoothing tools Rotary power trowels, i.e. helicopter trowels

Sub-classes:
Recent Application in this class:
#1
20260085528
2026-03-26

LASER WELDED TROWEL BLADE ASSEMBLY

 #2
20260062873
2026-03-05

SYSTEMS AND PROCESSES FOR FINISHING A SURFACE UTILIZING AN UNMANNED AERIAL VEHICLE

 #3
20250320733
2025-10-16

AUTONOMOUS POWER TROWEL SYSTEM

 #4
20250179817
2025-06-05

LAYERED DISC SYSTEMS FOR POWER TROWELING

 #5
20240269887
2024-08-15

SMOOTHING DEVICE AND METHOD FOR SMOOTHING A CONCRETE PART

 #6
20240238933
2024-07-18

METHOD FOR MECHANICAL TREATMENT OF A CONCRETE FLOOR

 #7
20240118715
2024-04-11

CONCRETE SURFACE MAPPING ROBOTS, SYSTEMS, AND METHODS FOR PROCESSING CONCRETE SURFACES

 #8
20240093513
2024-03-21

THERMAL MANAGEMENT SYSTEM FOR A DRIVE TRAIN

 #9
20240061439
2024-02-22

CONCRETE SURFACE MAPPING ROBOTS, SYSTEMS, AND METHODS FOR PROCESSING CONCRETE SURFACES

 #10
20240052647
2024-02-15

CONCRETE SURFACE PROCESSING MACHINES, SYSTEMS, AND METHODS FOR PROCESSING CONCRETE SURFACES

 #11
20240044155
2024-02-08

MODULAR ISOLATION APPARATUS FOR POWER TROWEL

 #12
20240011291
2024-01-11

DECORATIVE CONCRETE WITH UNIFORM SURFACE AND METHOD OF FORMING THE SAME

 #13
20230383551
2023-11-30

Mounting Adapter for Concrete Surface Processing Tools

 #14
20230383484
2023-11-30

METHODS AND TOOLS FOR SUPPORTING TIMING OF CONCRETE PROCESSING OPERATIONS

 #15
20230235577
2023-07-27

Mounting adapter for concrete surface processing tools

 #16
20230160155
2023-05-25

SYSTEM AND METHOD FOR CONCRETE PLACEMENT

 #17
20230117193
2023-04-20

COMPOSITE ABRASIVE ATTACHMENT ARTICLE FOR CONCRETE POWER TROWEL MACHINE

 #18
20230080219
2023-03-16

Mounting adapter for concrete surface processing tools

 #19
20220056712
2022-02-24

Concrete finishing assembly

 #20
20210317669
2021-10-14

Mounting adapter for concrete surface processing tools

 #21
20210254291
2021-08-19

Adaptive balancing mechanism of dual-head cement trowelling machine

 #22
20210180340
2021-06-17

Thermal management system for a drive train

 #23
20210140181
2021-05-13

Autonomous power trowel

 #24
20200217089
2020-07-09

Non-rusting and flush bottom polymer power trowel blade

 #25
20190226216
2019-07-25

Methods and devices relating to grouting

 #26
20190211517
2019-07-11

COMPOSITE ABRASIVE ATTACHMENT ARTICLE FOR CONCRETE POWER TROWEL MACHINE

 #27
20180333820
2018-11-22

Quick attachment abrasive assembly for power concrete treating machines

 #28
20180202176
2018-07-19

Apparatus for grinding a concrete floor surface

 #29
20180202158
2018-07-19

Method of forming a decorative concrete structure

 #30
20170362836
2017-12-21

Grouting pan assembly with reinforcement ring

 #31
20170175406
2017-06-22

Method for finishing a surface using a grouting pan

 #32
20170158570
2017-06-08

METHODS FOR FINISHING CONCRETE TO PROVIDE A GLOSSY SURFACE

 #33
20160083967
2016-03-24

Method for finishing a composite surface and a grounting pan for finishing a composite surface

 #34
20150159384
2015-06-11

POWER TROWEL FASTENING ASSEMBLY

 #35
20150093194
2015-04-02

Riding trowel with CVT clutch module

 #36
20140361454
2014-12-11

Concrete slab forming method

 #37
20140027238
2014-01-30

Friction drive clutch having ramped members

 #38
20120163914
2012-06-28

Method and apparatus for controlling engine speed of a self-propelled power trowel during high load conditions

 #39
20120163912
2012-06-28

Concrete trowel transport system

 #40
20100067984
2010-03-18

Mobile machine for screeding floor surfaces and the like

 #41
20090097919
2009-04-16

DIAMOND TROWEL BLADE

 #42
20060188334
2006-08-24

Diamond trowel blade

 #43
20060034663
2006-02-16

Diamond trowel blade

 #44
20050220541
2005-10-06

Remotely-controlled concrete tool assembly