Patent Theme

Advanced Work Tool Design

Innovations in the mechanical design, modularity, and enhanced functionality of excavator attachments and implements, including multi-axis rotation, specialized grapples, and integrated compaction tools.

4,966 US filings from 1,143 companies since 2023 · 2023: 1,100 · 2024: 1,606 · 2025: 1,542 · 2026 YTD: 718

Excavating & Earth-Moving

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Caterpillar Inc.	353	77	102	117	57	+14.7%
2	KOMATSU LTD.	289	60	121	77	31	-36.4%
3	Deere & Company	216	54	61	64	37	+4.9%
4	Hitachi Construction Machinery Co., Ltd.	211	40	83	68	20	-18.1%
5	Kubota Corporation	203	28	48	84	43	+75.0%
6	KOBELCO CONSTRUCTION MACHINERY CO., LTD.	116	24	42	34	16	-19.0%
7	SUMITOMO HEAVY INDUSTRIES, LTD.	108	14	40	32	22	-20.0%
8	SUMITOMO CONSTRUCTION MACHINERY CO., LTD.	95	12	33	38	12	+15.2%
9	Yanmar Holdings Co., Ltd.	82	17	19	25	21	+31.6%
10	Great Plains Manufacturing, Inc.	66	6	33	14	13	-57.6%
11	VOLVO CONSTRUCTION EQUIPMENT AB	53	14	16	17	6	+6.2%
12	CNH Industrial America LLC	47	20	15	9	3	-40.0%
13	FANUC CORPORATION	45	13	16	14	2	-12.5%
14	Caterpillar SARL	41	12	12	13	4	+8.3%
15	TADANO LTD.	41	9	15	14	3	-6.7%
16	Oshkosh Corporation	40	8	14	11	7	-21.4%
17	Doosan Bobcat North America, Inc.	35	1	9	19	6	+111.1%
18	LIEBHERR-WERK EHINGEN GMBH	28	5	11	11	1	0.0%
19	JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD.	26	6	9	7	4	-22.2%
20	J.C. BAMFORD EXCAVATORS LIMITED	26	6	5	10	5	+100.0%
21	HD HYUNDAI INFRACORE CO., LTD.	24	1	12	6	5	-50.0%
22	TAKEUCHI MFG. CO., LTD.	24	3	5	12	4	+140.0%
23	Caterpillar Global Mining LLC	23	6	4	10	3	+150.0%
24	ABB Schweiz AG	22	6	4	7	5	+75.0%
25	ESCO GROUP LLC	21	8	10	2	1	-80.0%