B32B
Layered products, i.e. products built-up of strata of flat or non-flat
Official title: Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
B32B (Layered products, i.e. products built-up of strata of flat or non-flat) appears on 77,712 US grants and 95,540 published applications in this corpus.
Search patents in B32B- Granted patents
- 77,712
- Published applications
- 95,540
- Assignees
- 21,560
- Inventors
- 146,625
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 483 | 0 |
| 1977 | 403 | 0 |
| 1978 | 432 | 0 |
| 1979 | 286 | 0 |
| 1980 | 424 | 0 |
| 1981 | 514 | 0 |
| 1982 | 440 | 0 |
| 1983 | 440 | 0 |
| 1984 | 489 | 0 |
| 1985 | 539 | 0 |
| 1986 | 465 | 0 |
| 1987 | 561 | 0 |
| 1988 | 529 | 0 |
| 1989 | 734 | 0 |
| 1990 | 712 | 0 |
| 1991 | 679 | 0 |
| 1992 | 754 | 0 |
| 1993 | 643 | 0 |
| 1994 | 818 | 0 |
| 1995 | 799 | 0 |
| 1996 | 918 | 0 |
| 1997 | 1004 | 0 |
| 1998 | 1259 | 0 |
| 1999 | 1247 | 0 |
| 2000 | 1186 | 0 |
| 2001 | 1219 | 549 |
| 2002 | 1366 | 1841 |
| 2003 | 1472 | 2485 |
| 2004 | 1493 | 2663 |
| 2005 | 1089 | 2510 |
| 2006 | 1093 | 2403 |
| 2007 | 992 | 2310 |
| 2008 | 787 | 2320 |
| 2009 | 835 | 2516 |
| 2010 | 1256 | 2858 |
| 2011 | 1415 | 2957 |
| 2012 | 1605 | 3120 |
| 2013 | 1843 | 4191 |
| 2014 | 2119 | 4296 |
| 2015 | 2517 | 5068 |
| 2016 | 2916 | 4943 |
| 2017 | 3328 | 5044 |
| 2018 | 3476 | 5670 |
| 2019 | 4248 | 5893 |
| 2020 | 4528 | 6060 |
| 2021 | 4074 | 5436 |
| 2022 | 3841 | 4806 |
| 2023 | 3842 | 4740 |
| 2024 | 3870 | 4491 |
| 2025 | 3537 | 3740 |
| 2026 | 2193 | 2630 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B32B 27/00Layered products comprising a layer of synthetic resin35,006
- B32B 2307/00Properties of the layers or laminateIndexing code33,057
- B32B 7/00Layered products characterised by the relation between layers23,329
- B32B 5/00Layered products characterised by the non- homogeneity or physical structure , i.e.20,491
- B32B 3/00Layered products comprising a layer with external or internal discontinuities or unevennesses16,223
- B32B 37/00Methods or apparatus for laminating15,803
- B32B 15/00Layered products comprising a layer of metal14,996
- B32B 2250/00Layers arrangementIndexing code13,512
All 95 main groupsShow fewer
- B32B 2262/00Composition or structural features of fibres which form a fibrous or filamentaryIndexing code11,356
- B32B 38/00Ancillary operations in connection with laminating processes10,688
- B32B 2457/00Electrical equipmentIndexing code9,261
- B32B 2255/00Coating on the layer surfaceIndexing code9,187
- B32B 17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres7,937
- B32B 2605/00VehiclesIndexing code7,082
- B32B 2439/00ContainersIndexing code6,125
- B32B 2305/00Condition, form or state of the layers or laminateIndexing code6,084
- B32B 2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layerIndexing code5,529
- B32B 1/00Layered products having a non-planar shape5,480
- B32B 2264/00Composition or properties of particles which form a particulate layer or areIndexing code4,805
- B32B 2266/00Composition of foamIndexing code4,194
- B32B 2419/00Buildings or parts thereofIndexing code4,005
- B32B 25/00Layered products comprising a layer of natural or synthetic rubber3,818
- B32B 9/00Layered products comprising a layer of a particular substance not covered by3,614
- B32B 2323/00PolyalkenesIndexing code3,537
- B32B 2270/00Resin or rubber layer containing a blend of at least two differentIndexing code3,522
- B32B 2309/00Parameters for the laminating or treatment processIndexing code3,486
- B32B 29/00Layered products comprising a layer of paper or cardboard3,347
- B32B 2607/00Walls, panelsIndexing code2,604
- B32B 2367/00PolyestersIndexing code2,505
- B32B 2311/00Metals, their alloys or their compoundsIndexing code2,489
- B32B 21/00Layered products comprising a layer of wood2,427
- B32B 2310/00Treatment by energy or chemical effectsIndexing code2,227
- B32B 18/00Layered products essentially comprising ceramics2,078
- B32B 2437/00ClothingIndexing code1,991
- B32B 2553/00Packaging equipment or accessories not otherwise provided forIndexing code1,857
- B32B 2571/00Protective equipmentIndexing code1,745
- B32B 2471/00Floor coveringsIndexing code1,714
- B32B 2317/00Animal or vegetable basedIndexing code1,677
- B32B 2597/00Tubular articlesIndexing code1,641
- B32B 2315/00Layered products, i.e. products built-up of strata of flat or non-flat: otherIndexing code1,636
- B32B 2555/00Personal careIndexing code1,573
- B32B 2274/00Thermoplastic elastomer materialIndexing code1,546
- B32B 2451/00Decorative or ornamental articlesIndexing code1,513
- B32B 2405/00Adhesive articlesIndexing code1,371
- B32B 2327/00PolyvinylhalogenidesIndexing code1,312
- B32B 2535/00Medical equipmentIndexing code1,269
- B32B 13/00Layered products comprising a a layer of water-setting substance1,248
- B32B 43/00Operations specially adapted for layered products and not otherwise provided for1,241
- B32B 23/00Layered products comprising a layer of cellulosic plastic substances , i.e. substances1,122
- B32B 2519/00Labels, badgesIndexing code985
- B32B 2551/00Optical elementsIndexing code984
- B32B 33/00Layered products characterised by particular properties or particular surface features932
- B32B 2375/00PolyureasIndexing code893
- B32B 2377/00PolyamidesIndexing code866
- B32B 2425/00CardsIndexing code702
- B32B 2479/00FurnitureIndexing code618
- B32B 41/00Arrangements for controlling or monitoring lamination processes599
- B32B 19/00Layered products comprising a layer of natural mineral fibres or particles597
- B32B 2369/00PolycarbonatesIndexing code579
- B32B 2333/00Polymers of unsaturated acids or derivatives thereofIndexing code550
- B32B 2398/00Unspecified macromolecular compoundsIndexing code545
- B32B 2329/00Polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketalsIndexing code538
- B32B 2432/00Cleaning articlesIndexing code529
- B32B 2272/00Resin or rubber layer comprising scrap, waste or recycling materialIndexing code510
- B32B 2509/00Household appliancesIndexing code435
- B32B 2379/00Layered products, i.e. products built-up of strata of flat or non-flat: otherIndexing code423
- B32B 2581/00SealsIndexing code410
- B32B 2603/00Vanes, blades, propellers, rotors with bladesIndexing code407
- B32B 2429/00Carriers for sound or informationIndexing code403
- B32B 2435/00Closures, end caps, stoppersIndexing code398
- B32B 11/00Layered products comprising a layer of bituminous or tarry substances396
- B32B 2331/00PolyvinylestersIndexing code395
- B32B 2313/00Elements other than metalsIndexing code388
- B32B 2325/00Polymers of vinyl-aromatic compoundsIndexing code335
- B32B 2319/00Synthetic rubberIndexing code329
- B32B 2363/00Epoxy resinsIndexing code325
- B32B 2601/00UpholsteryIndexing code299
- B32B 2383/00PolysiloxanesIndexing code205
- B32B 2590/00Signboards, advertising panels, road signsIndexing code204
- B32B 2410/00Agriculture-related articlesIndexing code198
- B32B 2355/00Specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, notIndexing code196
- B32B 2556/00PatchesIndexing code196
- B32B 39/00Layout of apparatus or plants191
- B32B 2433/00Closed loop articlesIndexing code190
- B32B 2371/00PolyethersIndexing code182
- B32B 2395/00Bituminous materialIndexing code152
- B32B 2554/00Paper of special typesIndexing code137
- B32B 2559/00Photographic equipment or accessoriesIndexing code115
- B32B 2413/00BeltsIndexing code114
- B32B 2459/00NetsIndexing code112
- B32B 2475/00Frictional elementsIndexing code85
- B32B 2318/00Mineral basedIndexing code71
- B32B 2386/00Specific polymers obtained by polycondensation or polyaddition not provided for in aIndexing code51
- B32B 2391/00WaxesIndexing code50
- B32B 2361/00Phenoplast, aminoplastIndexing code26
Recent patents
- Aerosol generation device comprising a thermal insulation wall and associated assembly method6 Oct 2026US 12,751,487 B2JT International SA
- Device for diffusing volatile substances and method for its manufacturing6 Oct 2026US 12,752,030 B2Zobele Holding SPA
- RV and trailer composite panel manufacturing process with interlocking connections assembly system6 Oct 2026US 12,752,501 B2Carbon Lite Trailers, Inc.
- Biaxially oriented thermoplastic polymer laminate films for luggage articles and methods of making the same6 Oct 2026US 12,752,508 B2Canco Hungary Ltd.
- Stiffening structure and method for stiffening a sheet element6 Oct 2026US 12,752,509 B2Photon, Inc.
- Walk-off carpet8 Oct 2026US 2026/0305911 A1Aladdin Manufacturing Corporation
- Elastic laminates and methods for assembling elastic laminates for absorbent articles8 Oct 2026US 2026/0306306 A1The Procter & Gamble Company
- Elastomeric laminate(s) for absorbent article donning8 Oct 2026US 2026/0306309 A1The Procter & Gamble Company
- Patterned Apertured Webs8 Oct 2026US 2026/0306312 A1The Procter & Gamble Company
- Non-woven of spunbonded thermoplastic filaments having improved weldability properties and method for manufacturing such a non-woven8 Oct 2026US 2026/0306698 A1Dounor SAS
Most cited
By later US patents
- Method of fabricating thin film sensors2,095US 5,391,250 AMiniMed Inc. · 1995
- Surgical system instrument sterile adapter1,479US 9,096,033 B2Intuitive Surgical Operations, Inc. · 2015
- Wound dressing1,449US 5,973,221 ASeton Healthcare Group PLC. · 1999
- Method for forming nonwoven webs1,405US 4,340,563 AKimberly-Clark Corporation · 1982
- Reinforced absorbable multilayered fabric for use in tissue repair and regeneration1,399US 7,749,204 B2Ethicon, Inc. · 2010