Overall rank by patents
#21,222
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 13 technology areas, recorded in grant years 2019–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: G01R (MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES).
The verdict
According to USPTO PatentsView, Heathkit ranks #21,222 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 13 technology areas.
USPTO PatentsView assignee plate
Corpus R21222 · US Corporation #21,222 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL
Nearest grant-volume peer: Harbin Medical University (±0 grants)
Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Heathkit · this assignee
46 score
3D Lighting Innovati… · lowest
7 score
What this shows Heathkit's Innovation Score is 46.3/100 (top 21% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.
Heathkit Company, Inc. is a focused PatentsView assignee: 13 CPC subclasses with 46.2% of grants classified under G01R (MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES). Peak complete grant year is 2024 (6 grants) versus a trough of 1 in 2019. By volume, Heathkit sits between Harbin Medical University and Hizero Technologies Co., Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
HARBIN MEDICAL UNIVERSITY
13 patents
HAREX INFOTECH INC.
13 patents
HARVEST CROO, LLC
13 patents
HD LIFESCIENCES LLC
13 patents
HIRSCHVOGEL UMFORMTECHNIK GMBH
13 patents
HISCENE INFORMATION TECHNOLOGY CO., LTD
13 patents
HITACHI MITSUBISHI HYDRO CORPORATION
13 patents
HIZERO TECHNOLOGIES CO., LTD.
13 patents
HEATHKIT COMPANY, INC.
13 patents
What this shows Heathkit holds 13 patents at rank #21,214, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,214 in granted patent volume.
Other assignees with the most granted patents in Heathkit's primary technology class.
Heathkit's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
46 Top 21% higher than 79% 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 2019–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2019 | 1 | 7.7% |
| 2020 | 2 | 15.4% |
| 2021 | 1 | 7.7% |
| 2022 | 2 | 15.4% |
| 2024 | 6 | 46.2% |
| 2025partial year | 1 | 7.7% |
Top 13 of 13 technology areas
Overall rank by patents
#21,222
of 50,000 tracked assignees
46.3 out of 100
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.