Description
Class E03F : SEWERS; CESSPOOLS
Subclass 5/08: Sewerage structures Ventilation of sewers
E03F 5/08
Sub-Class
Stats
- 23 US PATENTS IN FORCE
- 8 US APPLICATIONS PENDING
- 11 Total Patent Owners
- 77 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12084849 | Air vent for culvert | Aug 03, 22 | Sep 10, 24 | Not available |
| 11674608 | Dual air admittance valve with locking mechanism and pressure indicator | May 25, 21 | Jun 13, 23 | Not available |
| 11466442 | Air admittance valve | Aug 10, 17 | Oct 11, 22 | Oatey Co. |
| 10975561 | Method and device for controlling ventilation amount with respect to sealed pipe | Nov 21, 17 | Apr 13, 21 | SCENTEC INC. |
| 10619341 | Wastewater lift station vent odor neutralization device | Apr 20, 18 | Apr 14, 20 | Heyward Florida Inc. |
| 10428514 | Steam vent system | May 16, 17 | Oct 01, 19 | CONSOLIDATED EDISON COMPANY OF NEW YORK, INC. |
| 10400910 | Combination air valve | Jun 09, 17 | Sep 03, 19 | DeZURIK, Inc. |
| 10352476 | Gas purge valve with actuation sensor | Jan 24, 12 | Jul 16, 19 | A.R.I. Flow Control Accessories Ltd. |
| 10125882 | Venting and/or bleeding valve | May 18, 17 | Nov 13, 18 | VAG—ARMATUREN GMBH |
| 10030374 | Drainage fitting | May 21, 14 | Jul 24, 18 | McApline & Co. Ltd. |
| 9797120 | Anti-air lock negative and/or vacuum pressure air admittance connector | Apr 18, 16 | Oct 24, 17 | DI MONTE, MICHAEL A |
| 9279513 | Gas valve | Nov 10, 10 | Mar 08, 16 | DOROT MANAGEMENT CONTROL VALVES LTD. |
| 9249553 | System and method for controlling and treating gas emanations inside a wastewater access shaft | Feb 20, 14 | Feb 02, 16 | Not available |
| 9157226 | Apparatus and method for increasing hydraulic capacity of a sewer | Aug 15, 13 | Oct 13, 15 | The White Oak Partnership, L.P. |
| 9119890 | Method and device for influencing the smell which comes from shaft openings of underground sewers | Oct 05, 12 | Sep 01, 15 | Not available |
| 9021619 | Manhole odor eliminator | Mar 08, 12 | May 05, 15 | INVENTIVE RESOURCES, INC |
| 8926739 | Portable gas scrubber with sensor | Oct 11, 12 | Jan 06, 15 | Not available |
| 8851791 | Manhole cover venting and precipitation guarding devices | Sep 11, 13 | Oct 07, 14 | Not available |
| 8834613 | Bad odor removal system for sewage pipe | Oct 07, 11 | Sep 16, 14 | SCENTEC INC. |
| 8776822 | Inflow protection device for air relief valves on water-carrying pipelines | Jul 27, 12 | Jul 15, 14 | Odor Control Specialties, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0020,228 | DUAL AIR ADMITTANCE VALVE WITH LOCKING MECHANISM AND PRESSURE INDICATOR | Aug 21, 24 | Jan 16, 25 | Not available |
| 2024/0052,622 | MANHOLE ODOR TREATMENT DEVICE | Aug 09, 22 | Feb 15, 24 | Not available |
| 2021/0071,405 | BLOWER AND VENTILATION SYSTEM | Nov 20, 20 | Mar 11, 21 | Tokyo Metropolitan Sewerage Service Corporation; EBISMARINE CORPORATION; EBISTRADE, INC.; |
| 2020/0332,510 | METHOD AND DEVICE FOR CONTROLLING VENTILATION AMOUNT WITH RESPECT TO SEALED PIPE | Nov 21, 17 | Oct 22, 20 | SCENTEC INC. |
| 2018/0334,791 | STEAM VENT SYSTEM | May 16, 17 | Nov 22, 18 | Not available |
| 2018/0195,263 | METHOD AND SYSTEM FOR ENCAPSULATING A ROTATING BIOLOGICAL CONTACTOR | Jan 06, 17 | Jul 12, 18 | Not available |
| 2018/0087,261 | BLOWER AND VENTILATING SYSTEM | Dec 08, 15 | Mar 29, 18 | Tokyo Metropolitan Sewerage Service Corporation; EBISMARINE CORPORATION; EBISTRADE, INC.; |
| 2014/0227,954 | BLOWER AND VENTILATION SYSTEM | Apr 14, 14 | Aug 14, 14 | TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION, EBISMARINE CORPORATION, EBISTRADE, INC., |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 28 Months (last 2 years Issuances)
- 28 Months (last 5 years Issuances)