# US 2025/0093141 A1 · Shotcrete gauge > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0093141 A1 - Document ID: US20250093141A1 - Status: Published application - Kind: A1 - Application number: 18/480,696 - Filed: 2023-10-04 - Published: 2025-03-20 - Earliest claimed: 2023-09-15 - Assignees: JDL Industries Inc. - Applicants: JDL Industries Inc. - Inventors: John-David DANDENO - Web page: https://patentgrep.com/patent/US20250093141A1 ## CPC - G01B 3/28: Depth gauges - E21D 11/10: with concrete cast in situ; Shuttering {also lost shutterings, e.g. made of blocks, of metal plates} or other equipment adapted therefor - G01B 5/06: for measuring thickness - G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS - E21D: SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS (soil-conditioning or soil-stabilising materials C09K17/00; drilling or cutting machines for mining or quarrying E21C; safety devices, transport, rescue, ventilation or drainage E21F) ## Abstract A shotcrete gauge for facilitating an application of shotcrete to a surface, the shotcrete gauge comprising a main body, a pair of twist-on members having parallel hooks to attach to a reinforcement mesh disposed against the surface and a fastener-supporting bore extending centrally inside the main body and having internal threads for receiving a depth-setting fastener having corresponding external threads. The depth-setting fastener can be a depth-setting bolt having a bolt head and a threaded shank having the external threads, wherein the bolt head provides a visual indicator for a user applying the shotcrete to the reinforcement mesh. ## Claims ### Claim 1 A shotcrete gauge for facilitating an application of shotcrete to a surface, the shotcrete gauge comprising: a main body; a pair of twist-on members having parallel hooks to attach to a reinforcement mesh disposed against the surface; and a fastener-supporting bore extending centrally inside the main body and having internal threads for receiving a depth-setting fastener having corresponding external threads. ### Claim 2 (depends on 1) The shotcrete gauge of claim 1 comprising the depth-setting fastener. ### Claim 3 (depends on 2) The shotcrete gauge of claim 2 wherein the depth-setting fastener is a depth-setting bolt having a bolt head and a threaded shank having the external threads, wherein the bolt head provides a visual indicator for a user applying the shotcrete to the reinforcement mesh. ### Claim 4 (depends on 3) The shotcrete gauge of claim 3 wherein the bolt head has a head color different from a shank color. ### Claim 5 (depends on 2) The shotcrete gauge of claim 2 comprising a threaded support bracket that replaces the depth-setting fastener after the shotcrete has been applied, the threaded support bracket being adapted to support an object from the reinforcement mesh. ### Claim 6 (depends on 5) The shotcrete gauge of claim 5 wherein the object is a vent. ### Claim 7 (depends on 5) The shotcrete gauge of claim 5 wherein the object is a hose. ### Claim 8 (depends on 1) The shotcrete gauge of claim 1 wherein the depth-setting fastener is one of a plurality of depth-setting fasteners of different lengths that can be fastened into the fastener-supporting bore to set different thicknesses for applying the shotcrete. ### Claim 9 A shotcrete gauge for applying shotcrete, the shotcrete gauge comprising: a main body; a pair of twist-on members having hooks to attach to a reinforcement mesh; and a fastener-supporting bore extending inside the main body and having internal threads for receiving a depth-setting fastener having corresponding external threads. ### Claim 10 (depends on 9) The shotcrete gauge of claim 9 comprising the depth-setting fastener. ### Claim 11 (depends on 10) The shotcrete gauge of claim 10 wherein the depth-setting fastener is a depth-setting bolt having a bolt head and a threaded shank having the external threads, wherein the bolt head provides a visual indicator for a user applying the shotcrete to the reinforcement mesh. ### Claim 12 (depends on 11) The shotcrete gauge of claim 11 wherein the bolt head has a head color different from a shank color. ### Claim 13 (depends on 10) The shotcrete gauge of claim 10 comprising a threaded support bracket that replaces the depth-setting fastener after the shotcrete has been applied, the threaded support bracket being adapted to support an object from the reinforcement mesh. ### Claim 14 (depends on 13) The shotcrete gauge of claim 13 wherein the object is a vent. ### Claim 15 (depends on 13) The shotcrete gauge of claim 13 wherein the object is a hose. ### Claim 16 (depends on 9) The shotcrete gauge of claim 9 wherein the depth-setting fastener is one of a plurality of depth-setting fasteners of different lengths that can be fastened into the fastener-supporting bore to set different thicknesses for applying the shotcrete. ### Claim 17 A method of applying shotcrete to a surface, the method comprising: attaching a reinforcement mesh to the surface; attaching a shotcrete gauge to the reinforcement mesh, the shotcrete gauge comprising: a main body; a pair of twist-on members having parallel hooks to attach to a reinforcement mesh disposed against the surface; and a fastener-supporting bore extending centrally inside the main body and having internal threads for receiving a depth-setting fastener having corresponding external threads; fastening the depth-setting fastener in the fastener-supporting bore to set a depth of the shotcrete. ### Claim 18 (depends on 17) The method of claim 17 comprising: removing the depth-setting fastener; and fastening a threaded support bracket into the bore. ### Claim 19 (depends on 18) The method of claim 18 comprising hanging a vent or hose from the threaded support bracket. ### Claim 20 (depends on 17) The method of claim 17 wherein the depth-setting fastener is a depth-setting bolt having a bolt head and a threaded shank having the external threads, wherein the bolt head provides a visual indicator for a user applying the shotcrete to the reinforcement mesh, wherein the bolt head has a head color different from a shank color.