Overall rank by patents
#49,033
Across all tracked assignees
USPTO PatentsView assignee record - 5 granted patents across 0 technology areas, active 2017–2017. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search.
The verdict
Ningbo holds 5 US patents across 0 technology areas, rank #49,033 of 50,000 tracked assignees.
Ningbo Xinkaihong Machine Fabricate Co., Ltd has been granted 5 US utility patents between 2017 and 2017, placing Ningbo Xinkaihong Machine Fabricate Co., Ltd at rank #49,033 across all assignees tracked by PlainPatent. This portfolio spans 0 distinct Cooperative Patent Classification (CPC) subclasses, averaging 1.0 claims per patent. As a Foreign Corporation, Ningbo Xinkaihong Machine Fabricate Co., Ltd is one of the more focused assignees in the PatentsView dataset. By volume, Ningbo sits between Ningbo Radi-cool Advanced Energy Technologies Co., Ltd. (5 patents, rank #49,029) and Nippon Carbon Co., Ltd. (5 patents, rank #49,037) - the closest US assignees by grant volume. The composite Innovation Score of 6.8/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.
Filing cadence tells the strategic story. Between 2020 and 2025 the company received 0 grants, compared with 5 in the 2015–2019 window, a -100% shift in five-year velocity. A cooling filing rate may reflect portfolio consolidation, shifting priorities, or reduced R&D throughput. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.
Claim depth and technology breadth together indicate competitive posture. Ningbo Xinkaihong Machine Fabricate Co., Ltd's 1.0 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while specialization in 0 subclasses reflects a tightly scoped invention area. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Ningbo Xinkaihong Machine Fabricate Co., Ltd against peers pursuing similar technology classes.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
NINGBO RADI-COOL ADVANCED ENERGY TECHNOLOGIES CO., LTD.
5 patents
NINGBO RUILING ADVANCED ENERGY MATERIALS INSTITUTE CO., LTD.
5 patents
NINGBO SHENLAI MEDICAL TECHNOLOGY CO., LTD.
5 patents
NINGBO XIANFENG NEW MATERIAL CO., LTD.
5 patents
NINGHAI ARK COMMODITY CO., LTD.
5 patents
NINJAWAV, LLC
5 patents
NINTEX PTY LTD
5 patents
NIPPON CARBON CO., LTD.
5 patents
NINGBO XINKAIHONG MACHINE FABRICATE CO., LTD
5 patents
What this shows Ningbo holds 5 patents at rank #49,033, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #49,033 in granted patent volume.
Ningbo's Innovation Score vs. every tracked assignee
Composite of portfolio volume, filing velocity, technology breadth, and claim depth (0–100)
7 Top 100% higher than 0% of 50,000 US assignees
Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025
Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2017 | 5 | 100.0% |
Overall rank by patents
#49,033
Across all tracked assignees
6.8 out of 100
How to use this portfolio
Ningbo's 5 grants land it in the top 100% by Innovation Score, but volume alone doesn't tell you where the strength sits.
Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.