| Number | Name | Date | Kind |
|---|---|---|---|
| 3013830 | Milligan | Dec 1961 | A |
| 3419280 | Wheeler | Dec 1968 | A |
| 3469854 | Linwood | Sep 1969 | A |
| 4214761 | Pippert | Jul 1980 | A |
| 4283062 | Catanzaro et al. | Aug 1981 | A |
| 4398731 | Gorman et al. | Aug 1983 | A |
| 4440404 | Roach et al. | Apr 1984 | A |
| 4527806 | Ungchusri et al. | Jul 1985 | A |
| 4811959 | Bullard et al. | Mar 1989 | A |
| 4886241 | Davis et al. | Dec 1989 | A |
| 5131666 | Hutchens | Jul 1992 | A |
| 5137083 | Bump | Aug 1992 | A |
| 5478048 | Salesky et al. | Dec 1995 | A |
| 5549276 | Pittman et al. | Aug 1996 | A |
| 5615896 | Morvant | Apr 1997 | A |
| D384727 | Yamaguchi | Oct 1997 | S |
| 6257850 | Conn | Jul 2001 | B1 |
| D515675 | Tremoulet, Jr. | Feb 2006 | S |
| 7284602 | Tessier et al. | Oct 2007 | B2 |
| D572348 | Arosio | Jul 2008 | S |
| D574934 | Darce | Aug 2008 | S |
| D598988 | Jaccoby | Aug 2009 | S |
| D607091 | Weston | Dec 2009 | S |
| D610176 | Nagamine | Feb 2010 | S |
| D614272 | Henry | Apr 2010 | S |
| D633991 | Nakagawa | Mar 2011 | S |
| D638522 | Yoshida | May 2011 | S |
| D638523 | Yoshida | May 2011 | S |
| D643863 | Barnes | Aug 2011 | S |
| D646764 | Rusconi | Oct 2011 | S |
| D658693 | Suzuki | May 2012 | S |
| D659175 | Fujikata | May 2012 | S |
| 9534691 | Miller et al. | Jan 2017 | B2 |
| 9845801 | Shek | Dec 2017 | B1 |
| D810705 | Krishnan | Feb 2018 | S |
| D871609 | Isozaki | Dec 2019 | S |
| 20100008804 | Liska | Jan 2010 | A1 |
| 20140125012 | Lee | May 2014 | A1 |
| 20190170137 | Chase | Jun 2019 | A1 |
| Number | Date | Country |
|---|---|---|
| 3015234 | Mar 2019 | CA |
| Entry |
|---|
| Klaus-Haberlin AG Hydraulic Sealing Guide, posted on klaus-haeberlin.ch, published 2011, no production date given, [online], [site visited Apr. 8, 2020], available from internet, URL: https://www.klaus-haeberlin.ch/files/Documents/dichtungstechnik/james_walker_co_ltd/hydraulic_sealing_guide_28_1.pdf (Year: 2011). |
| Abrams et al., “A User's Approach to Qualification of Dynamic Seals for Sour-Gas Environments,” Society of Petroleum Engineers, 1990, vol. 5, Issue 3, pp. 217-220. |
| Parker Hannifin Corp., “PTFE Seal Design Guide,” <http://www.ceetak.com/wp-content/uploads/2015/05/Parker-PTFE-Seal-Design-Guide-PDE3354gb.pdf> webpage available at least as early as Sep. 6, 2015. |
| Utex Industries, Inc., “Plunger Packing,” <http://www.utexind.com/wp-content/uploads/brochures/PlungerPacking.pdf> webpage available at least as early as Jun. 15, 2016. |
| United States Patent Office Action for U.S. Appl. No. 15/710,574 dated Oct. 4, 2018 (14 pages). |
| United States Patent Office Action for U.S. Appl. No. 15/710,574 dated Jul. 9, 2019 (17 pages). |