Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lawrence R. Grzyll — 24 Patents

MEMainstream Engineering: 23 patents #4 of 87Top 5%
Merritt Island, FL: #15 of 257 inventorsTop 6%
Florida: #1,832 of 67,251 inventorsTop 3%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Lawrence R. Grzyll has been granted 24 US patents while listed as an inventor at Mainstream Engineering. The first was granted in 1989 and the most recent in April 2013. Lawrence R. Grzyll ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Lawrence R. Grzyll in Merritt Island, FL, US.

Patents per Year

Patents granted per year, 1989 to 2013Bar chart with a peak of 3 patents in 2011.peak 31989: 1 patents19891990: 1 patents1991: 1 patents19911992: 1 patents1993: 2 patents19931995: 1 patents1996: 1 patents19961997: 2 patents1998: 2 patents19981999: 2 patents2000: 1 patents20002001: 2 patents2003: 1 patents20032008: 1 patents2010: 1 patents20102011: 3 patents2013: 1 patents2013

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
8418530 Compositions and methods for detecting leaks in HVAC/R systems Robert P. Scaringe, Dwight D. Back, John A. Meyer 2013-04-16
8062528 Apparatus and method for self-heating and self-hydrating foods and beverages Dwight D. Back, Robert P. Scaringe, R. Paul Roth 2011-11-22
7998916 Replacement solvents having improved properties and methods of using the same John A. Meyer, Dwight D. Back 2011-08-16
7960331 Replacement solvents having improved properties and methods of using the same John A. Meyer, Dwight D. Back 2011-06-14
7846332 Apparatus and method for self-heating and self-hydrating foods and beverages Dwight D. Back, Robert P. Scaringe, R. Paul Roth 2010-12-07
7429557 Replacement solvents having improved properties and methods of using the same John A. Meyer, Dwight D. Back 2008-09-30
6576473 Removable test kit and method of use for vapor compression systems Robert P. Scaringe, Dwight D. Back, John A. Meyer, Gregory S. Cole 2003-06-10
6327897 Method of introducing an in situant into a vapor compression system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection Robert P. Scaringe, Dwight D. Back, Joseph E. Mayer, John A. Meyer 2001-12-11
6170320 Method of introducing an additive into a fluid system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection Robert P. Scaringe, Dwight D. Back, Joseph E. Mayer 2001-01-09
6045637 Solid-solid hybrid gas generator compositions for fire suppression 2000-04-04
5987902 Additive for improving performance and cooling capacity of vapor compression systems Robert P. Scaringe 1999-11-23
5862675 Electrically-driven cooling/heating system utilizing circulated liquid Robert P. Scaringe, Steven D. Gann 1999-01-26
5826436 Additive for improving performance and cooling capacity of vapor compression systems Robert P. Scaringe 1998-10-27
5770048 Method for removal of acid from compressor oil Robert P. Scaringe, Nidal A. Samad 1998-06-23
5647226 Phase change apparatus for animal parts, human body parts, body fluids and culture Robert P. Scaringe 1997-07-15
5607653 Process and apparatus for oxidizing and neutralizing caustic waste to liquid fertilizer Dwight D. Back, Charlie Ramos, Nidal A. Samad 1997-03-04
5582020 Chemical/mechanical system and method using two-phase/two-component compression heat pump Robert P. Scaringe, Fulin Gui, Steve M Benner 1996-12-10
5390659 Flameless heater pad and tray systems Robert P. Scaringe 1995-02-21
5264198 Method for production of spacecraft-grade N.sub.2 O.sub.4 Clyde F. Parrish, Luis P. Barthel-Rosa 1993-11-23
5217063 Thermal storage heat pipe Robert P. Scaringe, Clyde F. Parrish 1993-06-08
5142884 Spacecraft adsorption thermal storage device using a vapor compression heat pump Robert P. Scaringe, Clyde F. Parrish 1992-09-01
5061391 Working fluid for thermally powered heat pumping applications Robert P. Scaringe, Jay A. Buckman 1991-10-29
4905481 Supersonic compressor for thermally powered heat pumping applications Robert P. Scaringe, Jay A. Buckman 1990-03-06
4856294 Micro-climate control vest Robert P. Scaringe, Jay A. Buckman 1989-08-15