Where does Walter Kidde Portable Equipment, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Walter Kidde Portable Equipment, Inc. ranks #27,806 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Walter Kidde Portable Equipment, Inc. hold?

Walter Kidde Portable Equipment, Inc. holds 10 US utility patents granted between 2015 and 2018, spanning 11 technology areas.

What is Walter Kidde Portable Equipment, Inc.'s Innovation Score?

Walter Kidde Portable Equipment, Inc. has an Innovation Score of 28.6 out of 100 (28th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Walter Kidde Portable Equipment, Inc. focus on?

Walter Kidde Portable Equipment, Inc.'s top technology area is G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems) with 6 patents, ranking #349 of 2,091 assignees active in that subclass. Grants appear in 11 CPC subclasses total.

Is Walter Kidde Portable Equipment, Inc.'s patent grant rate increasing or decreasing?

Walter Kidde Portable Equipment, Inc.'s recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Walter Kidde Portable Equipment, Inc.'s patents?

Walter Kidde Portable Equipment, Inc.'s patents average 14.3 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Walter Kidde Portable Equipment, Inc. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView US Corporation

Walter Kidde Portable Equipment, Inc.

USPTO PatentsView assignee record - 10 granted patents across 11 technology areas, recorded in grant years 2015–2018. 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: G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Walter ranks #27,806 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 11 technology areas.

#27,806
of 49,997 US assignees by volume: 28th percentile
by Innovation Score (28.6/100): 14.3
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R27806 · US Corporation #27,806 · 10 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 10 grants
MID-PACK #27,806/49,997
PHOTO-FINISH Voltage Security
CPC-FOCUS G08B · 11 areas
INNOV-THIN 28.6/100
CLAIMS-RICH 14.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Voltage Security, Inc. (±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.

How Walter’s 28.6 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 8.3 pts (29%) Velocity 0.0 pts (0%) Breadth 11.7 pts (41%) Claim depth 8.6 pts (30%)

Qualcomm Incorporated · highest

85
Walter Kidde… · this assignee

29
3D Lighting… · lowest

7

What this shows Walter's Innovation Score is 28.6/100 (28th percentile 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.

Does more volume mean deeper claims for Walter?

Each dot is one of Walter’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Walter’s own 14.3 claims/patent is at or below the 14.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Walter vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Walter's grants concentrate

Walter Kidde Portable Equipment, Inc. is a focused PatentsView assignee: 11 CPC subclasses with 60% of grants classified under G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems). Peak complete grant year is 2015 (3 grants) versus a trough of 2 in 2016. By volume, Walter sits between Voltage Security, Inc. and Wattrii, Inc..

Voltage Security

10
Voxel Rad

10
Vricon Systems Ak…

10
Wallix

10
Walter Maschinenb…

10
Walvoil S P A

10
Wamgroup S P A

10
Wattrii

10
Walter Kidde Port… ◀

10

What this shows Walter holds 10 patents at rank #27,793, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Walter

By rank, the assignees closest to #27,793 in granted patent volume.

Leaders in G08B (Signalling OR Calling Systems)

Other assignees with the most granted patents in Walter's primary technology class.

Walter's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

29 28th percentile higher than 28% of 49,997 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

USPTO utility patent grants by year · 2015–2018

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Walter Kidde Portable Equipment, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	30.0%
2016	2	20.0%
2017	3	30.0%
2018	2	20.0%

Which technologies does Walter Kidde Portable Equipment, Inc. patent most?

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 6

Y10T - Technical Subjects Covered BY Former US Classification 2

G06F - Electric Digital Data Processing 2

F16M - Frames, Casings OR Beds OF Engines, Machines OR Apparatus, NOT Specific TO Engines, Machines OR Apparatus Provided FOR ELSEWHERE; STANDS; Supports 1

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 1

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 1

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 1

G01T - Measurement OF Nuclear OR X-radiation 1

H01J - Electric Discharge Tubes OR Discharge Lamps 1

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 1

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 1

Top 11 of 11 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Walter Kidde Portable Equipment, Inc.'s patent record in context - here's where to go next.

Walter Kidde Portable Equipment, Inc.'s lead technology class is G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems), 60% of its portfolio - see every assignee active in that class. Explore G08B
Ranked #27,806 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Walter Kidde Portable Equipment, Inc. against Voltage Security, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 28.6/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

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.