# US 12,760,523 B2 · Downspout to curb drainage system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,760,523 B2 - Document ID: US12760523B2 - Status: Granted - Kind: B2 - Application number: 18/807,450 - Filed: 2024-08-16 - Published: 2025-11-13 - Granted: 2026-10-13 - Earliest claimed: 2024-05-09 - Assignees: J.R. Hoe, Inc. - Applicants: J.R. Hoe, Inc. - Inventors: Benjamin C. Hoe - Web page: https://patentgrep.com/patent/US12760523B2 ## CPC - E04D 13/08: Down pipes; Special clamping means therefor (clamping pipes in general F16B, F16L) - E04D 2013/0813: {Water diverters} - E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00) ## Abstract A downspout-to-curb drain assembly includes a downspout boot defining an interior channel terminating in a downspout boot outlet, a trench drain assembly in fluid communication at a first end thereof with the downspout boot interior channel and outlet, and a curb opening defining an interior channel in fluid communication with the trench drain assembly at a second end thereof. Advantageously, the downspout boot outlet, trench drain assembly, and curb opening transport water runoff below grade. ## Claims ### Claim 1 A downspout-to-curb drain assembly, comprising: a downspout boot defining an interior channel terminating in a downspout boot outlet; a trench drain assembly in fluid communication at a first end thereof with the downspout boot interior channel and outlet; and a curb opening defining an interior channel in fluid communication with the trench drain assembly at a second end thereof; wherein the downspout boot outlet, trench drain assembly, and curb opening transport water runoff below grade to discharge water onto an above grade surface. ### Claim 2 (depends on 1) The downspout-to-curb drain assembly of claim 1, wherein the trench drain assembly comprises: a grate including at least one grate locking assembly; and an elongated body comprising at least two interior supports for the grate. ### Claim 3 (depends on 2) The downspout-to-curb drain assembly of claim 2, wherein the grate includes at least one through-bore and at least one through-bore-adjacent lock bar stop disposed on a bottom surface of the grate. ### Claim 4 (depends on 3) The downspout-to-curb drain assembly of claim 3, wherein the at least one grate locking assembly comprises a bolt passed through the through-bore and a lock bar carried at an end of the bolt. ### Claim 5 (depends on 4) The downspout-to-curb drain assembly of claim 4, wherein the bolt is dimensioned to carry the lock bar at a spaced distance below the bottom surface of the grate whereby turning the bolt causes the lock bar to engage the stop; further wherein the lock bar is dimensioned such that an attempt to remove the grate will cause the lock bar to contact one of a grate stop disposed on an interior of the elongated body or a bottom surface of the at least two interior supports. ### Claim 6 (depends on 2) The downspout-to-curb drain assembly of claim 2, wherein the elongated body further comprises at least one exterior anchor configured to anchor the elongated body in a substrate. ### Claim 7 (depends on 2) The downspout-to-curb drain assembly of claim 2, wherein the elongated body is a trench pan defining a channel having a substantially rectangular or square cross-sectional dimension. ### Claim 8 (depends on 2) The downspout-to-curb drain assembly of claim 2, wherein the elongated body is a frame defined by adjacent walls, wherein each adjacent wall is defined by a pair of upright portions and a connecting portion. ### Claim 9 (depends on 8) The downspout-to-curb drain assembly of claim 8, wherein the connecting portions define the at least two interior supports for the grate. ### Claim 10 A downspout-to-curb drain assembly, comprising: a downspout boot defining an interior channel terminating in a downspout boot outlet; a trench drain assembly in fluid communication at a first end thereof with the downspout boot interior channel and outlet; and a curb opening defining an interior channel and in fluid communication with the trench drain assembly at a second end thereof; wherein the trench drain assembly comprises: a grate including at least one grate locking assembly; and an elongated body comprising at least two interior supports for the grate, the elongated body being a trench pan defining a channel having a substantially rectangular or square cross-sectional dimension; further wherein the downspout boot outlet, trench drain assembly, and curb opening transport water runoff below grade. ### Claim 11 (depends on 10) The downspout-to-curb drain assembly of claim 10, wherein the grate includes at least one through-bore and at least one through-bore-adjacent lock bar stop disposed on a bottom surface of the grate. ### Claim 12 (depends on 11) The downspout-to-curb drain assembly of claim 11, wherein the at least one grate locking assembly comprises a bolt passed through the through-bore and a lock bar carried at an end of the bolt. ### Claim 13 (depends on 12) The downspout-to-curb drain assembly of claim 12, wherein the bolt is dimensioned to carry the lock bar at a spaced distance below the bottom surface of the grate whereby turning the bolt causes the lock bar to engage the stop; further wherein the lock bar is dimensioned such that an attempt to remove the grate will cause the lock bar to contact one of a grate stop disposed on an interior of the elongated body or a bottom surface of the at least two interior supports. ### Claim 14 (depends on 10) The downspout-to-curb drain assembly of claim 10, wherein the elongated body further comprises at least one exterior anchor configured to anchor the elongated body in a substrate. ### Claim 15 A downspout-to-curb drain assembly, comprising: a downspout boot defining an interior channel terminating in a downspout boot outlet; a trench drain assembly in fluid communication at a first end thereof with the downspout boot interior channel and outlet; and a curb opening defining an interior channel and in fluid communication with the trench drain assembly at a second end thereof; wherein the trench drain assembly comprises: a grate including at least one grate locking assembly; and an elongated body comprising at least two interior supports for the grate, the elongated body being a frame defined by adjacent walls, wherein each adjacent wall is defined by a pair of upright portions and a connecting portion; further wherein the downspout boot outlet, trench drain assembly, and curb opening transport water runoff below grade. ### Claim 16 (depends on 15) The downspout-to-curb drain assembly of claim 15, wherein the grate includes at least one through-bore and at least one through-bore-adjacent lock bar stop disposed on a bottom surface of the grate. ### Claim 17 (depends on 16) The downspout-to-curb drain assembly of claim 16, wherein the at least one grate locking assembly comprises a bolt passed through the through-bore and a lock bar carried at an end of the bolt. ### Claim 18 (depends on 17) The downspout-to-curb drain assembly of claim 17, wherein the bolt is dimensioned to carry the lock bar at a spaced distance below the bottom surface of the grate whereby turning the bolt causes the lock bar to engage the stop; further wherein the lock bar is dimensioned such that an attempt to remove the grate will cause the lock bar to contact one of a grate stop disposed on an interior of the elongated body or a bottom surface of the at least two interior supports. ### Claim 19 (depends on 15) The downspout-to-curb drain assembly of claim 15, wherein the elongated body further comprises at least one exterior anchor configured to anchor the elongated body in a substrate. ### Claim 20 (depends on 15) The downspout-to-curb drain assembly of claim 15, wherein the connecting portions define the at least two interior supports for the grate. ### Claim 21 A downspout-to-curb drain assembly, comprising: a downspout boot defining an interior channel terminating in a downspout boot outlet; a trench drain assembly in fluid communication at a first end thereof with the downspout boot interior channel and outlet; and a curb opening defining an interior channel in fluid communication with the trench drain assembly at a second end thereof; wherein the trench drain assembly comprises: a grate; an elongated body having a substantially rectangular or square cross-sectional dimension and defined by a frame having adjacent walls each defined by a pair of upright portions and a connecting portion, the connecting portion of each of the adjacent walls defining a pair of interior supports for the grate; and further wherein the downspout boot outlet, trench drain assembly, and curb opening transport water runoff below grade to discharge water onto an exterior above grade surface. ### Claim 22 (depends on 21) The downspout-to-curb drain assembly of claim 21, further including at least one grate locking assembly comprising a bolt passed through a grate through-bore and a lock bar carried at an end of the bolt. ### Claim 23 (depends on 22) The downspout-to-curb drain assembly of claim 22, wherein the bolt is dimensioned to carry the lock bar at a spaced distance below the bottom surface of the grate whereby turning the bolt causes the lock bar to engage the stop; further wherein the lock bar is dimensioned such that an attempt to remove the grate will cause the lock bar to contact one of a grate stop disposed on an interior of the elongated body or a bottom surface of the pair of interior supports.