Overall rank by patents
#20,598
of 50,000 tracked assignees
USPTO PatentsView assignee record - 14 granted patents across 19 technology areas, recorded in grant years 2019–2022. 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: Y02B (CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS).
The verdict
According to USPTO PatentsView, Viessmann ranks #20,598 of 50,000 tracked US assignees by granted-patent volume, with 14 patents across 19 technology areas.
USPTO PatentsView assignee plate
Corpus R20598 · Foreign Corporation #20,598 · 14 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
Nearest grant-volume peer: VAON, Llc (±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
Elbee Pty · near
33 score
Lantos · near
33 score
O2cool · near
33 score
Rieke Packaging Syst… · near
33 score
Viessmann Werke & KG · this assignee
33 score
3D Lighting Innovati… · lowest
7 score
What this shows Viessmann's Innovation Score is 33.1/100 (top 57% 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.
Viessmann Werke Gmbh & Co. KG is a focused PatentsView assignee: 19 CPC subclasses with 42.9% of grants classified under Y02B (CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS). Peak complete grant year is 2020 (7 grants) versus a trough of 2 in 2019. By volume, Viessmann sits between VAON, Llc and Voip-pal.com, Inc..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
VAON, LLC
14 patents
VERINT SYSTEMS UK LIMITED
14 patents
VERSA POWER SYSTEMS, LTD
14 patents
VESUVIUS CRUCIBLE COMPANY
14 patents
VISOTTICA INDUSTRIE S.P.A.
14 patents
VISTA WATER GROUP, LLC
14 patents
VITOP MOULDING S.R.L.
14 patents
VOIP-PAL.COM, INC.
14 patents
VIESSMANN WERKE GMBH & CO. KG
14 patents
What this shows Viessmann holds 14 patents at rank #20,584, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #20,584 in granted patent volume.
Other assignees with the most granted patents in Viessmann's primary technology class.
Two PlainPatent-derived peer sets for Viessmann, neither rank-band nor same-CPC leaders (those blocks stay above).
Nearest assignees by Innovation Score (33 here).
Viessmann's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
33 Top 57% higher than 43% 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 | 2 | 14.3% |
| 2020 | 7 | 50.0% |
| 2021 | 2 | 14.3% |
| 2022 | 3 | 21.4% |
Top 15 of 19 technology areas
Overall rank by patents
#20,598
of 50,000 tracked assignees
33.1 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.